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Environmental Science Final 2022

Total questions: 150

Worksheet time: 2hrs 28mins

Name
Class
Date
1.
In order to be accepted, a scientific theory must be
a)
 widely tested and supported by extensive data
b)
 based on the results of a single experiment
c)
 controversial and cause debate
d)
 in line with all previous historical ideas
2.

Which hypothesis is correctly written?

a)

I think I will do well on my test today, because I ate a good breakfast.

b)

If I eat a good breakfast, then I will do well on my test today.

c)

If I eat a good breakfast, then I will earn a passing grade on my test today.

d)

If I do well on my test today, I get to out to eat for breakfast.

3.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
4.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
5.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
6.
If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?
a)
Yes
b)
Maybe
c)
Listening or not listening to instructions
d)
Likelihood of having an accident in lab 
7.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
8.

Which of the following is an example of a solution to the tragedy of the commons?

a)

Improving literacy among urban populations

b)

Raising tax rates for large corporations

c)

Inventing stronger antibiotics

d)

Passing a law to set limits for fishermen

9.

Is a rain an abiotic or biotic factor?

a)

Abiotic

b)

Biotic

10.

Is soil or dirt considered biotic or abiotic?

a)

Biotic

b)

Abiotic

11.

Is a pinecone considered biotic or abiotic?

a)

Biotic

b)

Abiotic

12.
Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Predator-Prey
13.
Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Competition
14.
An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:
a)
Predator
b)
Autotroph
c)
Producer
d)
Decomposer
15.
A clownfish uses a sea anenome as a safe place to live. While living there, the clownfish lures in food for the anenome. This is an example of what type of relationship?
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
16.
A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:
a)
Parasitism
b)
Decomposition
c)
Commensalism
d)
Mutualism
17.
A relationship between two organisms where one benefits while the other is harmed is known as what?
a)
Decomposition
b)
Consummerism
c)
Mutualism
d)
Parasitism
18.
What is the carrying capacity of the graph?
a)
around 500
b)
more than 500
c)
less than 500
d)
around 600
19.
The total number of individuals a habitat can survive with the resources it has available.
a)
Carrying capacity
b)
Limiting factors
c)
Resources
d)
Population
20.
Excessive amounts of rain caused a flood in the southwest United States that resulted in substantial amounts of deaths in the rabbit population? This situation is an example of a density _____________ limiting factor.
a)
density-independent
b)
density-dependent
c)
density- too high
d)
density- too low
21.

Due to severe overcrowding in an Asian village, many children do not survive to reach adulthood.

a)

Density-Dependent: Disease

b)

Density-Independent: Disease

22.
Which animal is the apex predator?
a)
hawk
b)
lizard
c)
snake
d)
grass
23.
Organisms that create their own energy from sunlight or chemicals
a)
Herbivore
b)
Omnivore
c)
Autotroph
d)
Heterotroph 
24.
Eat primary consumers (can be carnivores and omnivores)
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Quaternary Consumers 
d)
Top Predators 
25.
The process of plants using energy from the sun to create the first trophic level is called?
a)
Photosynthesis
b)
Chemosynthesis
c)
Cellular Respiratation
d)
Primary Producers
26.
An organism that obtains energy by consuming plants and animals.
a)
Omnivores
b)
Carnivores
c)
Herbivores
d)
Humans 
27.

What do we call the variety of life in an ecosystem?

a)

Producer

b)

Biology

c)

Biodiversity

d)

Keystone Species

28.

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

a)

keystone

b)

invasive

c)

engineer

d)

predator

29.
Which biome is a treeless biome in the far north with harsh, cold winters and extremely short summers
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
30.
Which type of trees characterizes our biome, here in PA?
a)
deciduous
b)
cacti
c)
ginko
d)
palm
31.
Which biome is also called the "taiga"
a)
temperate deciduous forest
b)
boreal forest
c)
temperate rainforest
d)
tropical rainforest
32.

Which major biome's lack of precipitation limits plant grow and is home to cacti, mesquite, white thorn, pack rats, small reptiles, birds, antelope, lizards, fox, snakes, bob cats and coyotes?

a)

desert

b)

taiga

c)

tundra

d)

grassland

33.

grasses and scattered trees adapted to a tropical wet and dry climate

a)

taiga

b)

tundra

c)

temperate deciduous forest

d)

tropical grasslands

34.
The biome known for trees with broad leaves that fall off the trees in the winter.
a)
Coniferous Forests
b)
Temperate Deciduous Forests
c)
Deserts
d)
Tundra
35.
The most important abiotic factors when studying biomes are...
a)
Food and Water
b)
Water and Sunlight
c)
Temperature and Oxygen
d)
Precipitation and Temperature 
36.
 What type of biome is pictured?
a)
Temperate Deciduous Forest
b)
Boreal Forest
c)
Tropical Rainforest
d)
Grassland
37.
This picture is a great example of ____________ biodiversity.
a)
high
b)
moderate
c)
low
d)
hhhmmmm there is no way to know without counting.
38.

Which biome has the highest biodiversity?

a)

Tropical rainforest

b)

Temperate forest

c)

Desert

d)

Taiga

39.

Identify the cycle pictured

a)

The Nitrogen Cycle

b)

The Water Cycle

c)

The Carbon Cycle

d)

The Phosphorous Cycle

40.

How does carbon dioxide leave the atmosphere and become part of the food chain?

a)

through transpiration

b)

through photosynthesis

c)

through factory emission

d)

sunlight

41.

how do animals get the carbon they need?

a)

decomposing

b)

combustion

c)

eating plants

d)

breathing it in

42.

What is one way that carbon dioxide can be put back into the atmosphere?

a)

sunlight

b)

burning of fossil fuels

c)

ocean currents

d)

rain

43.

How does nitrogen become part of the food chain?

a)

through transpiration by plants

b)

through uptake of nitrogen compounds in the soil by plants

c)

through factory emission and combustion of fossil fuels

d)

sunlight changes nitrogen into usable forms

44.

Nitrogen in the atmosphere is not available. Free nitrogen has to be changed into a usable form in a process called ____

a)

nitrogen fixation

b)

transpiration

c)

photosynthesis

d)

cellular respiration

45.

How is nitrogen "fixed" into a usable form for plants?

a)

Through action of bacteria only

b)

Through lightning only

c)

Through action of bacteria and lightning

d)

Through photosynthesis

46.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
47.
What is B?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
48.
What is      D?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
49.

Precipitation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

50.
Which statement is an example of how plants and animals depend on each other?
a)
animals provide food for plants
b)
animals provide water for plants
c)
animals provide oxygen for plants
d)
animals provide carbon dioxide for plants
51.

This is NOT a part of the phosphorus cycle.

a)

Phosphate is incorporated into sedimentary rocks

b)

Phosphate bound to soil

c)

Atmospheric phosphate

d)

Phosphate is absorbed from the soil by plants

52.

Too much phosphorus in waterways (rivers, lakes) can lead to___________.

a)

eutrophication

b)

nothing

c)

decreased pH levels

d)

diseases

53.
What is formed during primary succession that doesn't need to be formed during secondary succession?
a)
pioneer species
b)
soil
c)
climax community
d)
lichens
54.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
55.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
56.

Which experiences the least change over time?

a)

Pioneer Species

b)

Primary Succession

c)

Aquatic Succession

d)

Climax Community

57.

What best describes the term succession?

a)

rapid changes that create an ecosystem overnight

b)

gradual changes over time to fully create or restore and ecosystem

c)

forest with the tallest trees

d)

the rate species produce offspring

58.

Anything that restricts the size of a population is a ________________________.

a)

biotic potential

b)

carrying capacity

c)

species

d)

limiting factor

59.

All of the elephants that live in this area at the same time make up a _____________________.

a)

ecosystem

b)

community

c)

population

d)

biosphere

60.
When organisms move out of the population, this is known as
a)
emigration
b)
abandonment
c)
immigration
d)
succession
61.
What happened to the wolf population between 1980 and 1982?
a)
it increased rapidly
b)
it decreased rapidly
62.
which statement sounds accurate based on the graph data. 
a)
The zebra and lions do not affect each other
b)
when lions population increases, so does the zebra population
c)
When the zebra population increases, it causes the lion population to also increase
d)
when zebra populations go down, the zebra population goes up. 
63.
If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
64.
What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
a)
logistic growth
b)
population growth
c)
exponential growth
d)
predator-prey cycle
65.
What type of growth is shown in the diagram?
a)
exponential growth
b)
logistic growth 
c)
predator-prey cycle
d)
boom-bust curve
66.
Plants and animals that are not native to a habitat (nonindigenous)...
a)
predators
b)
biological magnification
c)
invasive species
d)
prey
67.
Which limiting factor would increase due to the number of individuals in a population?
a)
Unusual weather
b)
Natural disaster
c)
Births
d)
Disease
68.
Nesting birds often space themselves evenly from other nests. This pattern is called
a)
clumped dispersion.
b)
uniform dispersion.
c)
random dispersion
d)
scatter dispersion
69.

The average number of individuals of the same species per unit of surface area at a given time is the ……………………

a)

population density

b)

population growth

c)

population birth rate

d)

population size

70.
Which kind of dispersion is #1?
a)
clumped
b)
random
c)
uniform
71.
Which of the following will increase the size of a population?
a)
emigration and births
b)
immigration and deaths
c)
immigration and births
d)
emigration and deaths
72.
Which of the following statements about primary succession is true?
a)
It begins with a climax community
b)
Small mammals are the first to live there
c)
It begins with bare rock
d)
It begins with rock and soil
73.
Lichens and mosses that first live in uninhabited areas are examples of
a)
secondary species
b)
non-native species
c)
pioneer species
d)
climax species
74.
Secondary succession is most likely to occur
a)
on a volcanic island
b)
after a rainstorm
c)
after a Thanksgiving Turkey dinner
d)
after a forest fire
75.

A pack of wolves that live and move together are an example of what type of dispersion?

a)

territorial

b)

clumped

c)

uniform

d)

random

76.

How would you describe the population of this country?

a)

They are experiencing stable population growth

b)

They are experiencing negative population growth

c)

They are experiencing rapid population growth

77.

How would you describe the population of this country?

a)

They are experiencing stable population growth

b)

They are experiencing rapid population growth

c)

They are experiencing negative population growth

78.

Describe the likely death rate of this country.

a)

This country has a low death rate

b)

This country has a high death rate

c)

This country has many old people

d)

Very few people die in this country

79.

What population is displayed on the RIGHT side of this pyramid?

a)

Children

b)

Women

c)

Men

d)

Elderly

80.

Describe the healthcare of this country.

a)

Good healthcare available to most

b)

Good healthcare available to some

c)

Poor healthcare for all

d)

Poor healthcare for most

81.

A graph that shows the number or proportion of individuals surviving to each age for a given species or group.

a)

survivorship curve

b)

exponential

c)

linear

d)

logistic

82.

Describes organisms with a high death rate (or low survivorship rate) immediately following birth. Examples include bacteria, fish, and invertebrates.

a)

Type I

b)

Type II

c)

Type III

d)

Type IV

83.

Survivorship curve represented with low death rates during early and middle life, then an increase among older age groups, a good example are humans.

a)

type I

b)

type II

c)

type III

d)

type IV

84.

Survivorship curve represented by a death rate that is constant over organism’s life span, squirrels and songbirds are good examples.

a)

type I

b)

type II

c)

type III

d)

type IV

85.

What age groups does the bottom of a population pyramid represent?

a)

The elderly

b)

The working adults

c)

The children

d)

Males

86.

Which growth rate does this population pyramid represent?

a)

Slow Growth

b)

Zero Growth

c)

Rapid Growth

d)

Negative Growth

87.
Which of the following is likely to be affected by a population of 7 billion?
a)
amount of land for agriculture
b)
amount of clean water
c)
number of people who are unemployed
d)
all of the above
88.
Population growth and fertility rates are lowest in
a)
upper-income countries
b)
upper- and middle-income countries
c)
middle- and low-income countries
d)
lower-income countries
89.

According to this graph, Which stage of the demographic transition has the highest level of population growth?

a)

pre-industrial

b)

transitional

c)

industrial

d)

post-industrial

90.

The human population is now about

a)

300 million

b)

1.3 billion

c)

7.9 billion

d)

12 billion

91.

As a population (especially females) gains access to better health care and higher education, we would expect the RATE of population growth to

a)

increase.

b)

decrease.

c)

stay the same.

d)

Education does not affect population growth

92.
What term describes the positive benefits that wildlife or ecosystems provides to people?
a)
ecosystem services
b)
ecosystem
c)
biodiversity
93.
Which of the following is an example of an ecosystem service?
a)
water filtration
b)
food 
c)
oxygen
d)
they all are!
94.

Wolves were reintroduced to Yellowstone National Park in 1995. This keystone species restored the park’s ecosystem. What is the ecological value of a keystone species?

a)

they influence the survival of many other species in an ecosystem.

b)

they prevent the ecosystem from changing and growing.

c)

they protect land and water resources within the ecosystem.

d)

They decrease the number of unwanted species in an ecosystem.

95.

Sometimes when a bee pollinates a flower, this action is beneficial to humans. Bees are the main pollinators of many plants that humans eat, such as blueberries, potatoes, apples, celery, and strawberries. What are the benefits that humans receive from the ecosystem called?

a)

ecological restoration

b)

sustainability

c)

ecosystem services

d)

ecology

96.

A species that is at serious risk of extinction is called

a)

a threatened species

b)

an endangered species

c)

an invasive species

d)

a native species

97.

What is the biggest threat to biodiverity?

a)

climate change

b)

littering

c)

habitat destruction

d)

pollution

98.

An area with a great amount of biodiversity is called

a)

a tundra

b)

a diversity center

c)

a biodiversity hotspot

99.

Endemic species are

a)

Rare species

b)

Species localized in a specific region

c)

Cosmopolitan in distribution

d)

None of these

100.

Which community has a greater species richness?

a)

Community A

b)

Community B

c)

They both have equal species richness

101.

Two of the most biodiverse places on the planet. (choose both).

a)

tropical rainforest

b)

coral reef

c)

alpine forest

d)

tundra

102.

Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.

a)

increasing, less

b)

increasing, more

c)

decreasing, less

d)

decreasing, more

103.

The particular role (job) of an organism in its environment, including types of food it eats, how it obtains its food and how it interacts with other organisms is called a ---

a)

Niche.

b)

Habitat.

c)

Home.

d)

Ecosystem.

104.

Which of the following could be caused by the increased temperatures of heat islands?

a)

Decreased littering

b)

Increase in urban sprawl

c)

increase in air pollution and electricity used

d)

Decreased need for open spaces

105.

Which type of land is mainly used for raising livestock and grazing?

a)

Forest land

b)

Rangeland

c)

Farm land

d)

Wilderness

106.

Areas of potential hazardous waste and pollution

a)

Greenbelt

b)

Suburbs

c)

Brownfield

d)

Farm lands

107.

Land used for recreation, scenic, enjoyment, and for preserving native animal and plant communities and ecosystems

a)

Rangeland

b)

Parks and preserves

c)

Wetlands

d)

Farmland

108.

What is the goal of smart growth?

a)

To produce a higher yield of crops

b)

To increase urban sprawl

c)

To build urban areas across more land

d)

To preserve farms and open spaces around cities

109.

Urban areas increase pollution through all of the following except

a)

Vehicle emissions

b)

Burning fossil fuels

c)

Sewage disposal

d)

Public transport

110.

What was the main reason Rachel Carson wrote Silent Spring?

a)

To present a thesis.

b)

To call for attention to the villagers of her town.

c)

The massive use of synthetic chemical pesticides after WWII.

d)

To investigate the harms of plastic.

111.

What was the consequence of her book, Silent Spring?

a)

She was attacked by the chemical industry.

b)

She won an award in literature.

c)

She won a Nobel Prize

d)

She destroyed a complete industry.

112.

In which state was Rachel Carson born?

a)

Maryland

b)

Texas

c)

New York

d)

Pennsylvania

113.

Extensive agriculture can be described as

a)

using high amounts labor, resources and irrigation

b)

using low amounts of labor, resources and irrigation

c)

occurring outside

d)

occurring in greenhouses

114.

Where is intensive agriculture most commonly practiced?

a)

The U.S. and Western Europe

b)

China

c)

Southern Africa

d)

The Amazon Rainforest

115.
The creation of a walkable neighborhood is 
a)
a result of urban sprawl
b)
one goal of the Federal Housing Administration
c)
discouraged by multi-use zoning
d)
a principal of smart growth
116.

Measurements of carbon dioxide concentrations in the air taken over the past decade have shown a ____.

a)

leveling off. (stopping the increase)

b)

slow increase.

c)

steady decline.

d)

dramatic increase.

117.

Which of the following government agencies is responsible for the Clean Air Act?

a)

the USGS

b)

the USDA

c)

the EPA

d)

the USDOJ

118.

The general term for air pollution that reduces visibility, especially in cities.

a)

atmospheric transport

b)

pollution

c)

smog

d)

wet scrubber

119.

Which is NOT caused by acid rain?

a)

damage to statues

b)

dying fish

c)

spread of disease

d)

weakened trees

120.

What is the main cause of air pollution?

a)

plowing fields and releasing dust

b)

using solar power

c)

burning fossil fuels

d)

using water power

121.
What are the pollutants known to cause acid rain?
a)
nitrogen oxides and sulfur dioxide (sulfur compounds)
b)
Low pH and Acid
c)
Lemon Juice and Battery Acid
d)
Particulate Matter and Carbon Dioxide
122.
Ozone and acid rain are both pollutants formed through reactions in the atmosphere. This makes them
a)
primary air pollutants
b)
secondary air pollutants 
c)
atmospheric transport
d)
atmospheric deposition
123.
The chemicals released directly into the air from factories and vehicles would be considered
a)
primary air pollutants
b)
secondary air pollutants
c)
atmospheric transport
d)
atmospheric deposition 
124.

Pollution traced to a single point

a)

water shed

b)

permeable

c)

point source pollution

d)

non-point source pollution

125.

Pollution that cannot be traced to a single point because comes from many sources

a)

estuary

b)

water shed

c)

non-point source pollution

d)

point source pollution

126.

The land that water flows across or under on its way to a stream, river, or lake is called...

a)

conservation

b)

land form

c)

runoff

d)

watershed

127.

largest watershed in the United States

a)

Chesapeake Bay Watershed

b)

Mississippi River Watershed

c)

Susquehanna River Watershed

d)

Turri River Watershed

128.

Number of watersheds in Pennsylvania

a)

4

b)

67

c)

6

d)

13

129.

What is NOT true about an aquatic macroinvertebrate?

a)
Found in water
b)
Big enough to be seen without a microscope
c)
Has a backbone
d)
Does not have a backbone
130.

The presence of only pollution tolerant macroinvertebrates like aquatic worms and black fly larva indicates

a)

good quality water

b)

poor quality water

c)

fair quality water

d)

swimming pool water

131.
How do benthic macroinvertebrates indicate water quality?
a)
If pollution-intolerant organisms are found, quality is good.
b)
If pollution-intolerant organisms not found, water is poor.
c)
If pollution-tolerant organisms are found, quality is good.
d)
If any of these are found, water is of poor quality.
132.

In what stage of their life cycle are most of the organisms we caught during kick netting?

a)

pupa

b)

alevin

c)

adult

d)

larvae

133.

Acid mine drainage is the result of

a)

ash and air debris creating acid rain

b)

boulders and debris blocking the flow of rivers/streams

c)

toxins from water in mines drain into streams

d)

minerals from mining being left behind creating pollution

134.

Indiana, PA is a part of all of the following watersheds EXCEPT

a)

Blacklick Creek Watershed

b)

Ohio River Watershed

c)

Susquehanna River Watershed

d)

Twolick Creek Watershed

135.

Acid mine drainage is the result of

a)

ash and air debris creating acid rain

b)

boulders and debris blocking the flow of rivers/streams

c)

toxins from water in mines drain into streams

d)

minerals from mining being left behind creating pollution

136.

What is the pH of water found in a healthy stream?

a)

1-2

b)

3-5

c)

6-8

d)

10-12

137.

What is one example of Biomass?

a)

Electricity

b)

Trees

c)

Wind

d)

Water

138.

Which example is NOT a renewable resource?

a)

Trees

b)

Wind

c)

Solar

d)

Uranium (Nuclear)

139.

What is one disadvantage of coal?

a)

Coal produces air pollution.

b)

There isn't a lot of coal left which makes it expensive.

c)

The world isn't using a lot of coal which makes it an undesirable job.

d)

You can only use it to roast hot dogs and cook hamburgers.

140.

All are examples of Nonrenewable energy sources EXCEPT...

a)

Coal

b)

Petroleum

c)

Hydropower

d)

Uranium (Nuclear)

141.

What is one disadvantage of renewable energy?

a)

Electricity and power could become much cheaper.

b)

Third world countries could have affordable energy.

c)

Many people could become energy independent.

d)

Most sources are expensive to get started.

142.

How is geothermal energy harvested? (How do we get it?)

a)

solar panels collect the sunlight.

b)

The heat from the earth boils water to create steam.

c)

We pump it from the earth and refine it into gasoline.

d)

We drill for it and burn it like coal or wood.

143.

What is one disadvantage of using hydropower?

a)

Hydropower is a renewable energy resource. There are no disadvantages.

b)

The power is used as electricity to power large buildings instead of homes.

c)

Building dams can damage natural wildlife and water systems like lakes and rivers.

d)

Most of the time there isn't enough water power to create electricity.

144.

What can you infer about fossil fuels from their name?

a)

They emit harmful gases when burned.

b)

They've been buried in the earth's crust for millions of years.

c)

They're the most abundant energy source on the planet.

d)

They're used to make gasoline.

145.

.Which of these is an example of biomass energy?

a)

A coal-burning generator

b)

A wood-burning stove

c)

A gasoline-burning automobile

d)

An automobile that operates on fuel cells

146.

How is natural gas different from coal?

a)

Natural gas is a renewable resource; coal is a fossil fuel.

b)

Natural gas is a form of petroleum; coal is extracted from coal deposits.

c)

Coal is a form of petroleum; natural gas is emitted by volcanoes.

d)

Coal is a fossil fuel; natural gas is a renewable resource

147.

Which of these is an advantage of fossil fuels?

a)

You can extract them without complicated machinery.

b)

They are relatively inexpensive to produce.

c)

Burning them does not have any negative side effects.

d)

There is an unlimited supply of them.

148.

How do wind turbines affect the environment.

a)

Birds and bats may be injured.

b)

Cuts the clouds which affects the water cycle.

c)

Hits trees around them which blows up the wind turbine.

d)

They are perfect for the environment.

149.

Wind energy is considered renewable because:

a)

wind turbines can be easily replaced

b)

no carbon dioxide or water vapour is produced during operation

c)

no waste heat energy is produced

d)

there is a continuing supply of wind energy

150.

Which of the following is NOT a benefit we derive from our dams and reservoirs?

a)

Recreation

b)

Flood management

c)

Irrigation

d)

Endangered species protection

e)

Hydropower

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