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apes chapter 9 -Climate change

Total questions: 135

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
2.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
3.
What is the largest carbon sink in the world?
a)
The Amazon
b)
The Oceans
c)
The Deserts
d)
The Forests
4.
What causes winds to form on Earth?
a)
solar energy
b)
ocean currents
c)
elevation differences
d)
uneven heating of the Earth by the sun
5.
What are the 3 major climate zones in order from equator to the poles?
a)
polar, temperate, tropical
b)
tropical, temperate, polar
c)
temperate, polar, tropical
6.
Which BEST describes why latitudes closest to the equator have warmer climates?
a)
they are at lower elevations
b)
they receive more solar energy
c)
they are nearer to ocean currents
d)
they get more winds that carry energy in the form of heat
7.

Earth's average temperature has increased 1°C in the past century. Which reason best explains this increase in temperature?

a)

lower levels of ozone in the atmosphere

b)

lower levels of nitrogen in the atmosphere

c)

higher levels of carbon dioxide in the atmosphere

d)

higher levels of oxygen in the atmosphere

8.

Which of the following gases is NOT a greenhouse gas?

a)

carbon dioxide

b)

nitrogen

c)

water vapor

d)

methane

9.

Which of the following are evidence of climate change?

a)

extreme weather events

b)

increase in the average global temperature

c)

melting of polar ice caps

d)

all of the above

10.

The main human activity that releases carbon dioxide (CO2) into the atmosphere is...

a)

using bottled water

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

11.

Which of the following is contributing to an increase in carbon dioxide (CO2) in the atmosphere?

a)

deforestation

b)

burning fossil fuels

c)

burning down trees

d)

all of the above

12.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
13.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
14.

Which of the following is produced by cows?

a)

Carbon Dioxide

b)

Water Vapor

c)

Argon

d)

Methane

15.

an area's climate changes and it gets LESS rainfall. what can happen?

a)

more hurricanes

b)

more forest fires

c)

floods

d)

more diseases

16.

what human activities lead to an increase in the amount of greenhouse gases and therefore lead to climate change?

a)

burning fossil fuels for energy

b)

transportation (cars, planes, trains)

c)

farming

d)

all of the above

17.

human activities lead to climate change and global warming because

a)

there are LESS greenhouse gases in the atmosphere and the temperature decreases

b)

there is the SAME amount of greenhouse gases in the atmosphere and the temperature stays the same

c)

there are MORE greenhouse gases in the atmosphere and the temperature is increasing

18.

Warming seas will...

a)

Increase the number of storms

b)

Decrease the number of storms

c)

The number if storms will stay the same

19.

Climate Change will cause...

a)

More intense tropical storms

b)

Less intense tropical storms

c)

no more storms

20.

Earths climate has...

a)

Decreased by 10 degrees

b)

Increased by 2 degrees

c)

Decreased by 2 degrees

d)

increased by 10 degrees

21.
What does this diagram illustrate?
a)
Ozone Layer
b)
The Greenhouse Effect
c)
Ultraviolet Radiation
d)
Layers of the atmosphere
22.
Which gas is the largest anthropogenic contributor to global warming?
a)
CO2
b)
CH4
c)
CFCs
d)
N2O
23.

The role of the Intergovernmental Panel on Climate Change is to

a)

implement carbon taxes on companies that burn excessive fossil fuels

b)

collect and analyze scientific climate data like that from ice cores

c)

review scientific climate data to assess the current state of climate change

d)

introduce policies to help with mitigation and adaptation strategies

24.

An example of a climate change mitigation strategy is

a)

mandating more fuel efficient vehicles

b)

building structures to protect from rising sea levels

c)

species migration

d)

using drought resistant crops

25.
What causes urban heat islands?
a)
movement of people from farms to cities
b)
lots and lots of people heating their homes
c)
roads and buildings absorb and retain heat longer than vegetation does
d)
soil erosion
26.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
27.
CFCs alter the natural formation of ozone by: 
a)
breaking up ozone and reducing the amount of O2 needed to form ozone
b)
bonding with O3 
c)
preventing UV radiation to strike ozone 
28.
international limits on CFC production toprotect the ozone layer
a)
Montreal Protocol
b)
New York Protocol
c)
Paris Protocol
d)
Tokyo Protocol
29.

What is a major cause of coral bleaching?

a)

Too much carbon dioxide is dissolved in ocean water

b)

Not enough carbon dioxide is dissolved in ocean water

c)

Whales chewing on coral reefs

d)

Too much sunlight

30.

One possible positive consequence of an increase in CO2 in the atmosphere?

a)

Plants may grow faster and produce more sugars

b)

Pests like pine beetles will die

c)

Forest fires will be extinguished by the lack of oxygen

d)

Corals will grow faster

31.

What is Arctic (or polar) amplification?

a)

the phenomenon that temperature near the poles is increasing at a higher rate than at lower latitudes

b)

the intensification of the polar jet stream due to melting ice caps

c)

the increased productivity of Arctic ecosystem due to increased upwelling

d)

the migration of the polar front due to stronger pressure contrasts

32.

Which of the following best describes the primary goal of the Paris Agreement?

a)

to create a fund to help countries deal with disaster relief

b)

to validate the science behind climate change for the global community

c)

to keep the global climate temperature increase to under 2 degrees Celsius

d)

to reduce deforestation worldwide

33.
an index for reporting daily air quality in order to alert people with various allergies or respiratory disorders when air quality becomes dangerous
a)
The Clean Air Act
b)
altitude
c)
air quality index 
d)
ozone
34.
Why do carbon dioxide levels behave in the manner shown in the graph?
a)
CO2 levels increase in winter because more gasoline is burned.
b)
CO2 levels decrease in the winter because there is less photosynthesis.
c)
CO2 levels increase in summer because there is more decomposition.
d)
CO2 levels decrease in summer because there is more photosynthesis.
35.
How can tree rings be used to tell what the climate was like in the past?
a)
Pollen found within the rings are indicators of past plant life.
b)
Wider annual rings imply warmer, wetter years.
c)
Gas bubbles within the rings are records of past temperature.
d)
Wider annual rings indicate dry years.
36.
What is an impact of increased CO2 dissolving in the world's oceans?
a)
Increased temperature and increased shell-forming by mollusks.
b)
Increased eutrophication and decreased photosynthesis.
c)
Decreased pH and less reef building by coral.
d)
Increased pH and decreased turbidity
37.

Layer of Earth's atmosphere the contains "good" O3

a)

Troposphere

b)

Hydrosphere

c)

Mesosphere

d)

Asthenosphere

e)

Stratosphere

38.

The ocean becomes this with the absorption of excess CO2

a)

alkaline

b)

acidic

c)

neutral

d)

shallower

e)

none of these

39.

Molecule with the highest greenhouse trapping ability

a)

CO2

b)

H2O

c)

CFC

d)

NO2

e)

O3

40.

A species who is very close to extinction

a)

threatened

b)

endangered

c)

invasive

d)

least concern

e)

alien

41.

committing industrialized countries and economies in transition to limit and reduce greenhouse gases (GHG) emissions in accordance with agreed individual targets

a)

Kyoto Protocol

b)

CITES

c)

Montreal Protocol

d)

Endangered Species Act

e)

NEPA

42.

Which is NOT a part of HIPPCO?

a)

Human population

b)

Income (affluence)

c)

Climate change

d)

Pollution

e)

Overharvesting

43.

Organisms that are successful in a new environment due to access to abundant resources and no predators

a)

threatened

b)

keystone

c)

endangered

d)

least concern

e)

invasive

44.

This had the goal of decrease production of CFCs by the year 2000

a)

Montreal Protocol

b)

Kyoto Protocol

c)

Paris Agreement

d)

NEPA

e)

CITES

45.

The international agreement between governments to ensure that international trade in specimens of wild animals and plants does not threaten the survival of the species

a)

CITES

b)

Endangered Species Act

c)

Montreal Protocol

d)

Kyoto Protocol

e)

Sioux Falls Animal Act

46.

Where there is a lot of mixing of air, weather, and "bad" ozone

a)

Troposphere

b)

Hydrosphere

c)

Mesosphere

d)

Asthenosphere

e)

Stratosphere

47.

Which is NOT true about ocean warming?

a)

The distribution of heat in the oceans is not uniform

b)

Coral bleaching rates are decreasing

c)

Warm water holds less dissolved oxygen than colder water

d)

Sea levels are rising due to thermal expansion

e)

Many species are relocating further from the equator

48.

A species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation is

a)

threatened

b)

keystone

c)

endangered

d)

least concern

e)

invasive

49.

Evidence for climate change on Earth includes

a)

Global temperature decline

b)

Warming oceans

c)

Increasing glaciers

d)

Lowering sea levels

e)

None of these

50.

Which of the following anthropogenic activities is most closely associated with depletion of the stratospheric ozone layer?

a)

Flooded cropland

b)

Garbage incineration

c)

Mining of talc

d)

Disposal of refrigerators and air conditioners

e)

None of these

51.

Which is NOT an invasive species in South Dakota?

a)

Zebra mussel

b)

Ring-necked pheasant

c)

Rusty crayfish

d)

Western mosquitofish

e)

All of these are invasive species

52.

Which is a threatened species in South Dakota?

a)

Eastern hognose snake

b)

Ring-necked pheasant

c)

Rusty crayfish

d)

Black footed ferret

e)

Pallid sturgeon

53.

Which is an endangered species in South Dakota?

a)

Walleye

b)

Ring-necked pheasant

c)

Rusty crayfish

d)

Black footed ferret

e)

Zebra mussel

54.

A source of heat to warm up oceans is

a)

sunlight

b)

water vapor

c)

carbon dioxide

d)

all of these

e)

none of these

55.

Which of the following is likely to increase biodiversity within a biome?

a)

Landscape fragmentation

b)

Introduction of an invasive species

c)

Immigration of humans

d)

Speciation

e)

A disease epidemic

56.

In an acre of grassland, net primary productivity is best measured as

a)

carbon taken up by plants in sunlight plus carbon released by plants in the dark

b)

carbon taken up by plants in sunlight

c)

aboveground biomass of plants

d)

aboveground and belowground biomass of plants

e)

carbon taken up by plants in sunlight minus carbon released by plants in the dark

57.

Ocean acidification represents a key component of the

a)

nitrogen cycle

b)

hydrologic cycle

c)

phosphorus cycle

d)

carbon cycle

e)

sulfur cycle

58.

When does the South Pole experience 24 hours of sunlight per day?

a)

From the March equinox to the September equinox

b)

From the September equinox to the March equinox

c)

Only on the March and September equinoxes

d)

Only on the December and June solstices

e)

From the December solstice to the June solstice

59.

Over long time periods, global climate change may change the ________ of a species.

I. realized niche

II. fundamental niche

III. extinction rate

a)

I only

b)

II only

c)

I and II

d)

I and III

e)

I, II and III

60.

Which is NOT true regarding keystone species?

a)

Keystone species can be mutualists with other species.

b)

Keystone species are often rare individuals in a community.

c)

Keystone species are most likely to be commensalists.

d)

Keystone species can be highly lethal to several species in a community.

e)

Keystone species may interact with only a single other species

61.

Which is most likely to be the replacement-level fertility for a developing nation in the third phase of demographic transition?

a)

1.8

b)

2.0

c)

2.2

d)

3.5

e)

5

62.

A population with an age distribution shaped like a pyramid

I. exhibits a stable population size.

II. is likely to exhibit high population momentum.

III. has a high crude birth rate.

a)

I only

b)

III only

c)

I and II

d)

I and III

e)

II and III

63.

Which contributes to the physical weathering of rocks?

a)

Acid rain

b)

Burial in sediment

c)

Volcanic activity

d)

Growth of plant roots

e)

Deposition

64.

Which is a positive externality that results from the construction of a hydroelectric dam?

a)

Construction of a fish ladder to help migrating fish pass the dam

b)

Millions of fish killed when they are sucked into the dam turbines

c)

Creation of valuable lake shoreline that promotes housing and tourism

d)

Loss of seasonal flooding leading to less sediment deposition along river banks

e)

Changes in the temperature profile of the river before and after the dam

65.

Which of the following is NOT an outcome of a prescribed fire burn?

a)

Dead biomass is retained in the forest.

b)

Nutrients in dead material are liberated for primary producers.

c)

The risk of larger forest fires is minimized.

d)

Habitat is provided for early-succession species.

e)

The burning of the forest can stimulate the growth of other plant species.

66.

Which provides protection against the risks that genetically modified crops pose to global crop biodiversity?

a)

No-till agriculture

b)

Integrated pest management

c)

Broad-spectrum herbicides

d)

Use of a pesticide treadmill

e)

Buffer zones around crops

67.

Which will NOT result in energy savings?

a)

Increasing insulation of walls and ceilings in a residence

b)

Replacing LED bulbs with CFL bulbs

c)

Using a passive solar design in the construction of a new building

d)

Installing sensors to turn off lights when a room is vacant

e)

Implementing a financial incentive to encourage the replacement of old household appliances

68.

Concentrated solar thermal systems implement

a)

active solar technology.

b)

photovoltaic cell technology.

c)

passive solar technology.

d)

smart grid technology

e)

Energy Star appliances

69.

Which phenomenon is part of a negative feedback with regard to global warming?

a)

Increased absorption of CO2 by the ocean

b)

Methane production from peatland decomposition

c)

Increased evapotranspiration from plant growth

d)

CO2 release from forest fires during dry spells

e)

Reduced albedo resulting from melting ice

70.
Large bodies of water affect climate because
a)
water heats up and cools more slowly than land
b)
water heats up and cools faster than land
c)
water and land cool at the same time
d)
water and land heat at the same rate
71.
The sun's rays are least direct
a)
near the poles
b)
near the equator
c)
at high altitudes
d)
far from the ocean
72.
Climates are classified according to two major factors:
a)
elevation and precipitation
b)
latitude and temperature
c)
elevation and latitude
d)
precipitation and temperature
73.
Which of the following has cause repeating 100,000-year cycles of ice ages in the past?
a)
an increase in sun spots
b)
several major volcanic eruptions
c)
changes in Earth;s orbit and tilt of its axis
d)
continental drift
74.
Over the past 200 years, the level of carbon dioxide in the atmosphere has
a)
decreased slightly
b)
increased until recently, and then decreased
c)
increased steadily
d)
stayed about the same
75.
The land on the ______ side of the mountain range is in the rain shadow.
a)
Cold
b)
westward
c)
Cloud covered
d)
leeward
76.
Because of its high ________________, Mount Chimborazo has a cool climate all year.
a)
Temparature
b)
Altitude
c)
Winds
d)
Clouds
77.
What does the term "anthropogenic" mean?
a)
something that is NOT caused by human activity
b)
a naturally occurring cause
c)
originating from human activity
d)
something that everyone should care about
78.
The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?
a)
lower levels of ozone in the atmosphere
b)
lower levels of nitrogen in the atmosphere
c)
higher levels of carbon dioxide in the atmosphere
d)
higher levels of oxygen in the atmosphere
79.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
80.
Which of the following have been linked to climate change? 
a)
droughts
b)
flooding
c)
melting of polar ice caps
d)
all of the above
81.
How do scientists collect evidence about climate? 
a)
using remote sensing from space with satellites
b)
by ground-based measurements of surface temperatures, carbon dioxide concentration and sea level
c)
by collecting “proxy data” from tree rings, ice cores, and historical records
d)
all of the above
82.
If you took away the atmosphere’s natural greenhouse effect, and everything else stayed the same, Earth’s temperature would be 
a)
10-20°F warmer
b)
30-40°F warmer
c)
10-20°F cooler
d)
50-60°F cooler
83.
Which of the following gases DOES NOT trap heat?
a)
carbon dioxide
b)
nitrogen
c)
water vapor
d)
methane
84.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
85.
El Nino occurs when the tropical ocean waters are warmer in which ocean?
a)
Atlantic
b)
Indian
c)
Pacific
d)
Arctic
86.
Which of the following is a natural cause of long term climate change?
a)
Burning Fossil Fuels
b)
Milankovitch Cycles
c)
Deforestation
d)
All of them
87.
Which is NOT a geographical element which influences climate
a)
altitude
b)
latitude
c)
longitude
d)
ocean currents
88.
In the past 800,000 years, CO2 levels have never gone above
a)
200 ppm
b)
225 ppm
c)
260 ppm
d)
300 pm
89.
What is the largest carbon sink in the world?
a)
The Amazon
b)
The Oceans
c)
The Deserts
d)
The Forests
90.
Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?
a)
the hole in the ozone
b)
the greenhouse effect
c)
atmospheric pressure
d)
the inversion layer
91.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
92.
What is the largest carbon sink in the world?
a)
The Amazon
b)
The Oceans
c)
The Deserts
d)
The Forests
93.
What causes winds to form on Earth?
a)
solar energy
b)
ocean currents
c)
elevation differences
d)
uneven heating of the Earth by the sun
94.
What are the 3 major climate zones in order from equator to the poles?
a)
polar, temperate, tropical
b)
tropical, temperate, polar
c)
temperate, polar, tropical
95.
Which BEST describes why latitudes closest to the equator have warmer climates?
a)
they are at lower elevations
b)
they receive more solar energy
c)
they are nearer to ocean currents
d)
they get more winds that carry energy in the form of heat
96.

Earth's average temperature has increased 1°C in the past century. Which reason best explains this increase in temperature?

a)

lower levels of ozone in the atmosphere

b)

lower levels of nitrogen in the atmosphere

c)

higher levels of carbon dioxide in the atmosphere

d)

higher levels of oxygen in the atmosphere

97.

Which of the following gases is NOT a greenhouse gas?

a)

carbon dioxide

b)

nitrogen

c)

water vapor

d)

methane

98.

Which of the following are evidence of climate change?

a)

extreme weather events

b)

increase in the average global temperature

c)

melting of polar ice caps

d)

all of the above

99.

The main human activity that releases carbon dioxide (CO2) into the atmosphere is...

a)

using bottled water

b)

burning fossil fuels

c)

texting on cellphones

d)

eating meat

100.

Which of the following is contributing to an increase in carbon dioxide (CO2) in the atmosphere?

a)

deforestation

b)

burning fossil fuels

c)

burning down trees

d)

all of the above

101.
Melting of glaciers and polar ice caps....
a)
will result in cooler temperatures in the Arctic
b)
will result in sea-levels rising
c)
Will have no effect on ecosystems
d)
None of the above
102.
The warming of the atmosphere by the trapping of heat being radiated to space is called
a)
evaporation
b)
condensation
c)
the greenhouse effect
d)
radiation
103.

Which of the following is produced by cows?

a)

Carbon Dioxide

b)

Water Vapor

c)

Argon

d)

Methane

104.

an area's climate changes and it gets LESS rainfall. what can happen?

a)

more hurricanes

b)

more forest fires

c)

floods

d)

more diseases

105.

what human activities lead to an increase in the amount of greenhouse gases and therefore lead to climate change?

a)

burning fossil fuels for energy

b)

transportation (cars, planes, trains)

c)

farming

d)

all of the above

106.

human activities lead to climate change and global warming because

a)

there are LESS greenhouse gases in the atmosphere and the temperature decreases

b)

there is the SAME amount of greenhouse gases in the atmosphere and the temperature stays the same

c)

there are MORE greenhouse gases in the atmosphere and the temperature is increasing

107.

Warming seas will...

a)

Increase the number of storms

b)

Decrease the number of storms

c)

The number if storms will stay the same

108.

Climate Change will cause...

a)

More intense tropical storms

b)

Less intense tropical storms

c)

no more storms

109.

Earths climate has...

a)

Decreased by 10 degrees

b)

Increased by 2 degrees

c)

Decreased by 2 degrees

d)

increased by 10 degrees

110.
What does this diagram illustrate?
a)
Ozone Layer
b)
The Greenhouse Effect
c)
Ultraviolet Radiation
d)
Layers of the atmosphere
111.
Which gas is the largest anthropogenic contributor to global warming?
a)
CO2
b)
CH4
c)
CFCs
d)
N2O
112.

The role of the Intergovernmental Panel on Climate Change is to

a)

implement carbon taxes on companies that burn excessive fossil fuels

b)

collect and analyze scientific climate data like that from ice cores

c)

review scientific climate data to assess the current state of climate change

d)

introduce policies to help with mitigation and adaptation strategies

113.

An example of a climate change mitigation strategy is

a)

mandating more fuel efficient vehicles

b)

building structures to protect from rising sea levels

c)

species migration

d)

using drought resistant crops

114.
What causes urban heat islands?
a)
movement of people from farms to cities
b)
lots and lots of people heating their homes
c)
roads and buildings absorb and retain heat longer than vegetation does
d)
soil erosion
115.
The ozone layer is damaged by
a)
CFCs
b)
Increase in greenhouse gases
c)
Increased global temperatures
d)
Sulfuric and nitric acids
116.
CFCs alter the natural formation of ozone by: 
a)
breaking up ozone and reducing the amount of O2 needed to form ozone
b)
bonding with O3 
c)
preventing UV radiation to strike ozone 
117.
international limits on CFC production toprotect the ozone layer
a)
Montreal Protocol
b)
New York Protocol
c)
Paris Protocol
d)
Tokyo Protocol
118.

What is a major cause of coral bleaching?

a)

Too much carbon dioxide is dissolved in ocean water

b)

Not enough carbon dioxide is dissolved in ocean water

c)

Whales chewing on coral reefs

d)

Too much sunlight

119.

One possible positive consequence of an increase in CO2 in the atmosphere?

a)

Plants may grow faster and produce more sugars

b)

Pests like pine beetles will die

c)

Forest fires will be extinguished by the lack of oxygen

d)

Corals will grow faster

120.

What is Arctic (or polar) amplification?

a)

the phenomenon that temperature near the poles is increasing at a higher rate than at lower latitudes

b)

the intensification of the polar jet stream due to melting ice caps

c)

the increased productivity of Arctic ecosystem due to increased upwelling

d)

the migration of the polar front due to stronger pressure contrasts

121.

Which of the following best describes the primary goal of the Paris Agreement?

a)

to create a fund to help countries deal with disaster relief

b)

to validate the science behind climate change for the global community

c)

to keep the global climate temperature increase to under 2 degrees Celsius

d)

to reduce deforestation worldwide

122.
an index for reporting daily air quality in order to alert people with various allergies or respiratory disorders when air quality becomes dangerous
a)
The Clean Air Act
b)
altitude
c)
air quality index 
d)
ozone
123.
Why do carbon dioxide levels behave in the manner shown in the graph?
a)
CO2 levels increase in winter because more gasoline is burned.
b)
CO2 levels decrease in the winter because there is less photosynthesis.
c)
CO2 levels increase in summer because there is more decomposition.
d)
CO2 levels decrease in summer because there is more photosynthesis.
124.
How can tree rings be used to tell what the climate was like in the past?
a)
Pollen found within the rings are indicators of past plant life.
b)
Wider annual rings imply warmer, wetter years.
c)
Gas bubbles within the rings are records of past temperature.
d)
Wider annual rings indicate dry years.
125.
What is an impact of increased CO2 dissolving in the world's oceans?
a)
Increased temperature and increased shell-forming by mollusks.
b)
Increased eutrophication and decreased photosynthesis.
c)
Decreased pH and less reef building by coral.
d)
Increased pH and decreased turbidity
126.

What is climate change?

a)

When Earth's temperature is not balanced

b)

When Earth's temperature is balanced

127.

Who keeps the Earth warm?

a)

The Sun

b)

The greenhouse gases

c)

Both of them

d)

None of them

128.

What causes "natural climate change"?

a)

Volcanic eruptions

b)

Changes in the sun's energy

c)

Both of them

d)

None of them

129.

What activities release greenhouse gases (cause climate change)?

a)

Burning oils to make planes and cars move

b)

Dumping trash on landfills

c)

Cutting down trees

d)

All of them

130.

What causes climate change?

a)

The increase in greenhouse gases

b)

The decrease in greenhouse gases

131.

What are some effects of climate change?

a)

Glaciers and ice sheets melting

b)

Seas rising

c)

Storms getting stronger

d)

All of them

132.

How can we stop climate change?

a)

Walk to close places instead of using the car

b)

Turn off the lights when you're not in a room

c)

Recycle more

d)

All of them

133.

How does the Earth maintain cool?

a)

It releases some heat from the sun back to space

b)

It absorbs the sun's heat

134.

What is the objective of this goal?

a)

Combat climate change and its impacts

b)

Help people consume less food

135.

What is the global goal we'll be working on?

a)

No Poverty

b)

Gender Equality

c)

Climate Action

d)

All of them

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