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Midterm Exam Review

Total questions: 164

Worksheet time: 5hrs 10mins

Name
Class
Date
1.

What is an Ocean?

a)

small body of water

b)

large body of water

2.

about _____% of the Earth's water can be found in our oceans.

a)

25%

b)

67%

c)

72%

d)

97%

3.
As oceans become deeper, the water pressure ___________________.
a)
increases
b)
decreases
c)
stays the same
4.
The total amount of water on Earth is constantly changing.
a)
true
b)
false
5.

The graph shows the distribution of water on Earth's surface. Where is the most water located?

a)

Ground water

b)

Oceans

c)

Glaciers and ice-caps

d)

Surface water

6.

The graph shows the distribution of water on Earth's surface. Where is the most freshwater located?

a)

Ground water

b)

Oceans

c)

Glaciers and ice-caps

d)

Surface water

7.
Where is most of the freshwater found on Earth?
a)
lakes
b)
glaciers
c)
oceans
d)
rivers
8.

approximately what percent of earth water is salt water

a)

87

b)

79

c)

97

d)

9

9.

Water underground is stored in

a)

aquifers

b)

wells

c)

reservoir

10.

According to the pie graph. What is the most abundant salt found in seawater?

a)

Sodium

b)

Chlorine

c)

Magnesium

d)

Potassium

11.
There is about 2% of the Earth's freshwater frozen in icebergs.
a)
True
b)
False
12.
The process where rain water soaks into the ground through soil and rocks is called __________.
a)
precipitation
b)
infiltration
c)
evaporation
d)
condensation
13.

Which part of the ocean would have the lowest salinity?

a)

in areas near melting glaciers

b)

in areas near the equator

c)

in areas with the highest temperatures

d)

in areas where there is little rainfall

14.

According to the graph, as the density in water increases, what happens to the salinity?

a)

Decreases

b)

Increases

c)

Stays the same

15.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
16.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
17.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
18.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
19.
Snow, sleet, hail, and rain are all examples of  ________________. 
a)
evaporation
b)
condensation
c)
accumulation
d)
precipitation
20.
What follows evaporation during the water cycle? 
a)
Water evaporates into water vapor
b)
Water vapor condenses and forms a  cloud
c)
Water precipitates to the ground
d)
Water runs down into the hydrosphere
21.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
22.
Which of these is an example of precipitation?
a)
sleet
b)
air
c)
clouds
d)
vapor
23.
Water moves directly from a lake to the air by which of the following processes?
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Sedimentation
24.
Transpiration requires _________.
a)
Cold
b)
Mild Climate
c)
Heat
25.
Most of the Earth's water is in
a)
salty oceans
b)
freshwater lakes
c)
freshwater ponds
d)
glaciers
26.

Approximately _____ percent of Earth's water is freshwater.

a)

97

b)

1

c)

3

d)

10

27.

Water can exist on Earth as...

a)

solid ice

b)

liquid water

c)

the gas water vapor

d)

All of above

28.
Why do we need to conserve water?
a)
It is an unlimited resource. 
b)
It is a limited resource. 
c)
There is a lot of water. 
d)
There is no need to conserve water.
29.

_________ is held in layers of rock called aquifers. We can pump water up from these areas, so humans can use it.

a)

groundwater

b)

wetland

c)

glacier

30.

Which of the following items could be used to represent the sun in a model of the water cycle?

a)

a large container

b)

ice

c)

a heat lamp

d)

water

31.

What could you add to a model of the water cycle to help condensation happen faster?

a)

a heat lamp

b)

warm water

c)

ice cubes

d)

salt

32.

Water droplets sticking to the top of a model of the water cycle represent what process?

a)

evaporation

b)

transpiration

c)

condensation

d)

precipitation

33.

Water droplets dropping from the top of a model of the water cycle back into the container represents what process?

a)

evaporation

b)

transpiration

c)

condensation

d)

precipitation

34.

Why does the water level in a water cycle model stay about constant?

a)

Because evaporation decreases the water level but precipitation adds water back.

b)

Because precipitation decreases the water level but evaporation adds water back.

c)

Because transpiration decreases the water level but condensation adds water back.

d)

Because evaporation increases the water level but precipitation decreases the water level.

35.

This picture of the mirror shows an example of--

a)

precipitation

b)

transpiration

c)

evaporation

d)

condensation

36.

This picture shows -

a)

evaporation

b)

condensation

c)

precipitation

d)

transpiration

37.

This photograph shows a beach on a partly sunny day. Which of the following is an interaction between the sun and the ocean that results in clouds forming near the beach?

a)

Energy from the sun causes precipitation over the ocean.

b)

Energy from the sun causes water to evaporate from the ocean.

c)

Light from the sun reflects off the surface of the ocean.

d)

Light from the sun decreases the amount of water vapor in the air over the ocean.

38.

The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?

a)

W

b)

X

c)

Y

d)

Z

39.

A student draws a model to represent the precesses involved in the water cycle, as shown. To which process is the formation of clouds related?

a)

Condensation

b)

Evaporation

c)

Freezing

d)

Melting

40.

What is the energy source that drives the water cycle?

a)

The moon T

b)

The heat from our home in the winter all around the world

c)

The sun

d)

he heat generated solely from the core of the earth

41.

The movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat. ____________________

a)

Evaporation

b)

Convection

c)

Precipitation

d)

Transpiration

42.
The atmosphere, the ground, and also bodies of water are all heated by the Sun's energy. How does this energy reach Earth?
a)
radiation
b)
conduction
c)
convection
d)
gravity
43.

Which factor determines whether precipitation will be in the form of rain or snow?

a)

air pressure

b)

wind

c)

humidity

d)

temperature

44.

What is the MAJOR role of the Sun in the water cycle?

a)

It causes evaporation

b)

It allows plants to grow

c)

It provides heat for organisms

d)

It transmits light

45.

Which process is occurring at the arrow labeled 4?

a)

Transpiration

b)

evaporation

c)

condensation

d)

precipitation

46.
What is letter C?
a)
Mid-Ocean Ridge
b)
Cont. Shelf
c)
Cont. Slope
d)
Abyssal Plain
47.
What is letter D?
a)
Cont. Shelf
b)
Mid-Ocean Ridge
c)
Volcanic Island
d)
Seamount
48.
What is letter E?
a)
Volcanic Island
b)
Seamount
c)
Mid-Ocean Ridge
d)
Abyssal Plain
49.
What is letter A?
a)
Cont. Shelf
b)
Cont. Slope
c)
Seamount
d)
Abyssal Plain
50.
What is letter G?
a)
Mid-Ocean Ridge
b)
Rift
c)
Trench
d)
Cont. Shelf
51.
What letter is B?
a)
Cont. Shelf
b)
Cont. Slope
c)
Mid-Ocean Ridge
d)
Seamount
52.
The gradually sloping part of a continent that extends under the ocean is the...
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
trench
53.
Seamount is similiar to...
a)
a volcanic island
b)
a small mountain or volcano
c)
The Great Plains
d)
The Grand Canyon
54.
A mid-ocean ridge is formed from...
a)
abyssal plains
b)
the continental shelf
c)
lava
d)
a trench
55.
The place where new ocean floor forms is called the...
a)
mid ocean ridge
b)
abyssal plain
c)
trench
d)
continental shelf
56.
If you are on the beach, laying on a beach towel and playing in the sand, you are on the _______________________
a)
continent
b)
continental slope
c)
abyssal plain
d)
continental shelf
57.
the deepest part of the ocean
a)
trenches
b)
abyssal plain
c)
ocean basin
d)
rift
58.
Which process adds more crust to the ocean floor?
a)
earthquakes
b)
sea floor spreading 
c)
subduction
d)
convection
59.
The density of ocean water increases when it?
a)
Joins the Gulf Stream
b)
Gets colder
c)
Gets warmer
d)
Turns to ice
60.
Where does salt in the ocean come from?
a)
dissolved rocks and minerals
b)
Ingles
c)
The bottom of the ocean
d)
The ocean s fresh water
61.
Which represents the distribution of water on Earth?
a)
3% freshwater, 97% salt water
b)
97% freshwater, 3% salt water
c)
71% freshwater, 29% salt water
d)
29% freshwater, 71% salt water
62.

C

a)

Evaporation

b)

Transpiration

c)

Sublimation

d)

Condensation

e)

Precipitation

63.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
64.
Currents that occur at or near the surface of the ocean are called 
a)
Deep Currents
b)
Convection Currents
c)
Surface Currents
d)
Wave Currents
65.
Surface currents are mainly caused by
a)
The Coriolis Effect
b)
Cold and Warm Water
c)
Convection
d)
Wind
66.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
67.

________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel

a)

gravity and the Coriolis Effect

b)

temperature and salinity

c)

wind and climate

d)

temperature and the Coriolis Effect

68.
Movements of ocean water in a continuous flow are called?
a)
ocean currents
b)
global winds
c)
air mass
d)
front
69.

What distinguishes a tsunami from other types of ocean waves?

a)

The wave energy of tsunamis increases as the water depth decreases.

b)

A tsunami forms when a large volume of water is suddenly displaced up or down.

c)

A tsunami is caused by the disruption of deep ocean currents by volcanic eruptions.

d)

The wave height of a tsunami is much lower in the center of the ocean than it is near shore.

70.

A _______ is a disturbance that transfers energy through matter.

a)

Salinity

b)

Wave

c)

Temperature  

d)

Density

71.

_____ is how salty is the water

a)

Salinity

b)

Wave

c)

Temperature

d)

Density

72.

.   _____ is how hot or cold is the water

a)

Salinity

b)

Wave

c)

Temperature 

d)

Density

73.

_____ is how salty is the water

a)

Salinity

b)

Wave

c)

Temperature

d)

Density

74.
Stronger winds create __________ waves.
a)
larger
b)
smaller
75.

What causes most waves?

a)

Gravity

b)

Wind

c)

Underwater Volcanoes

d)

Underwater landslides

76.
Wha type of tide would this arrangement of earth-moon-sun create?
a)
full moon tide
b)
new moon tide
c)
neap tide
d)
spring tide
77.

Which body has the greater effect on Earth's tides?

a)

Sun

b)

Saturn

c)

Moon

d)

Venus

78.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
79.

High tides and low tides each happen _____ times per day.

a)

4

b)

2

c)

1

d)

24

80.

Spring tides have the largest tidal ranges because...

a)

the earth, moon, and sun are aligned for greater gravitational force.

b)

the moon has the strongest gravitational force.

c)

the sun has the most gravitational force.

d)

none of the above

81.

During a neap tide, the sun, moon, and earth are at a ___________ angle.

a)

360 degree

b)

23.5 degree

c)

45 degree

d)

90 degree

82.

What is a high tide?

a)

Sea pulled TOWARD the moon where Earth is CLOSEST to the moon

b)

Sea pulled AWAY from the moon where Earth is FARTHEST to the moon

c)

Sea pulled AWAY from the moon where Earth is CLOSEST to the moon

83.

The tidal force exerted by the ______ is stronger that the tidal force exerted by the _______.

a)

earth, ocean

b)

sun, moon

c)

moon, stars

d)

moon, sun

84.

The bulges that occur in the Earth's oceans are called ______ _______.

a)

low waters

b)

low tides

c)

high tides

d)

big dips

85.

The tidal bulge follows the movement of the _____.

a)

moon

b)

sun

c)

Earth

d)

ocean

86.
This gas makes up 21% of the atmosphere
a)
ozone
b)
oxygen
c)
nitrogen
d)
water vapor
87.
This layer of the atmosphere contains most of the ozone.
a)
troposphere
b)
thermosphere
c)
mesosphere
d)
stratosphere
88.
This gas makes up 78% of the atmosphere
a)
oxygen
b)
nitrogen
c)
ozone
d)
carbon dioxide
89.
Which of the following is the correct order of the atmosphere layers from Earth to space?
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, thermosphere, exosphere, stratosphere
c)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
d)
troposphere, stratosphere, mesosphere, exosphere, thermosphere
90.
This is the coldest layer of the atmosphere.
a)
troposphere
b)
thermosphere
c)
mesosphere
d)
stratosphere
91.
This layer is where weather occurs.
a)
troposphere
b)
thermosphere
c)
exosphere
d)
stratosphere
92.
This layer is the hottest.
a)
troposphere
b)
mesosphere
c)
stratosphere
d)
thermosphere
93.
What causes the temperature to increase in the stratosphere?
a)
Nitrogen
b)
Ozone
c)
Water Vapor
d)
carbon dioxide
94.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
d)
gets very hot
95.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
96.
Layer of the atmosphere furthest from Earth's surface:
a)
troposphere
b)
exosphere
c)
mesosphere
d)
stratosphere
97.

Identify this diagram

a)

The ozone layer

b)

The greenhouse effect

c)

The troposphere

98.

Which two describe the layer: Troposphere

a)

Layer closest to earth

b)

The hottest layer

c)

Layer farthest from earth

d)

Where weather occurs

99.

In which layers of the atmosphere does temperature decrease as altitude increases? Check all that are true.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

100.
Which layer of the atmosphere do we live in?
a)
troposphere
b)
mesosphere
c)
thermosphere
d)
exosphere
101.
Which layer is known to have "shooting stars"?
a)
mesosphere
b)
stratosphere
c)
thermosphere
d)
exosphere
102.
What enables atmosphere of earth to stay in place?
a)
gravity
b)
air pressure
c)
types of air molecules
d)
clouds
103.

Which atmosphere layer contains the Aurora Borealis?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

104.

In which atmosphere layer does weather occur?

a)

Exosphere

b)

Troposphere

c)

Mesosphere

d)

Stratosphere

105.

Why is it difficult to breathe at higher altitudes?

a)

There is less oxygen as altitude increases.

b)

There is a larger amount of carbon dioxide as altitude increases.

c)

Gases in the atmosphere become thinner as altitude increases.

d)

It is difficult to breathe cold air.

106.

The mixture of gases that surrounds Earth is the ______________.

a)

atmosphere

b)

stratosphere

107.
Meteors burn up here
a)
Thermosphere
b)
Mesosphere
c)
Exosphere
d)
Troposphere
108.
Ozone layer is located here
a)
Trosphere
b)
Thermosphere
c)
Stratosphere
d)
Mesosphere
109.

Heating food in a microwave oven.

a)

Conduction

b)

Convection

c)

Radiation

110.

The butter on top of the pancake melted.

a)

Conduction

b)

Convection

c)

Radiation

111.

Air conditioner cooling the hot room.

a)

Conduction

b)

Convection

c)

Radiation

112.

Ironing a wrinkled shirt.

a)

Conduction

b)

Convection

c)

Radiation

113.

Laying under the sun to get tan.

a)

Conduction

b)

Convection

c)

Radiation

114.

An ice cube melts when you hold it in your hand.

a)

Conduction

b)

Convection

c)

Radiation

115.

You feel hot after reading for a long time under a lamp.

a)

Conduction

b)

Convection

c)

Radiation

116.

On a hot summer day, a student dropped an ice cube onto a park bench. Within minutes, the ice cube melted. Which best describes the process the student observed?

a)

radiation

b)

combustion

c)

conduction

d)

convection

117.

A boy touches a stove and gets burned. What transfer of heat caused his hand to get burned?

a)

radiation

b)

conduction

c)

convection

d)

combustion

118.
Where does the initial source of energy come from that creates winds?
a)
the moon
b)
the sun
c)
the Earth's surface
d)
the rotation of the Earth
119.

What is the initial source for global winds and convection in the atmosphere?

a)

heat from the Earth's core

b)

the rotation of the Earth

c)

Moon's gravity

d)

unequal heating of the Earth by the sun

120.
Which statement correctly describes the properties of cold air?
a)
less dense and less pressure than warm air
b)
more dense and more pressure than warm air
c)
more dense and less pressure than warm air
d)
less dense and more pressure than warm air
121.

Which statement correctly defines wind?

a)

The movement of air from areas of low pressure to areas of high pressure

b)

The movement of air to a colder area in the atmosphere.

c)

The movement of air from areas of high pressure to areas of low pressure.

d)

The movement of air pushed around and bouncing off Earth's surface.

122.
How do differences in air pressure affect the movement of air?
a)
Air always moves from areas of high pressure to areas of low pressure.
b)
Air always moves from areas of low altitudes to high altitudes.
c)
Air always moves from areas of low pressure to areas of high pressure.
d)
Air always moves from east to west.
123.

The Coriolis effect causes ___________.

a)

the Earth to rotate on its axis

b)

earthquakes

c)

global winds to move in a curved path instead of a straight line

d)

the Earth to revolve around the sun

124.
Which diagram shows the formation of a land breeze?
a)
diagram Y
b)
diagram X
c)
neither 
d)
both
125.
Which diagram shows the formation of a sea breeze?
a)
diagram Y
b)
diagram X
c)
neither
d)
both
126.
What kind of breeze is this and when would it form?
a)
Land breeze - daytime
b)
Land breeze - nighttime
c)
Sea breeze - daytime
d)
Sea breeze - nighttime
127.

What happens when a cold drink sits in a hot room?

a)

It remains cold

b)

It gets warmer

c)

It starts boiling

d)

It starts to freeze

128.

When two things are the same temperature:

a)

They have the same number of molecules

b)

Their molecules stop moving

c)

Their molecules move at the same average speed

d)

Heat transfer between the two things stops

129.

Heat from the Sun reaches Earth through which type of heat transfer?

a)

Conduction

b)

Radiation

c)

Convection

d)

All of the above

130.

Convection currents occur:

a)

Only in liquids

b)

When a dense substance is warmer than a less dense substance

c)

In both liquids and gases

d)

Weakly in solids

131.

All of the following are examples of convection currents, excerpt:

a)

Warm air rising in a house

b)

Cold water sinking to the bottom of the lake

c)

Water flowing through pipes

d)

Steam from hot soup rising into the air

132.

What is the original source of most of the energy that people use?

a)

Energy that reaches Earth’s surface by radiation from the Sun.

b)

Energy that reaches Earth’s surface by convection from the Sun.

c)

Energy that reaches Earth’s surface by radiation from Earth’s core.

d)

Energy that reaches Earth’s surface by conduction from Earth’s core.

133.

What percentage of the water on Earth is salt water?

a)

97%

b)

80%

c)

60%

d)

95%

134.

What is a front?

a)

A boundary that forms between two air masses

b)

When two clouds are in the sky

c)

The point where the beach meets the ocean

135.

What type of weather is associated with a high-pressure system?

a)

High-pressure: Stormy weather and rain

b)

High and Low Pressure systems have the same weather

c)

High-pressure: Clear skies and calm air or gentle breezes

136.

What type of weather occurs after a cold front?

a)

Cooler weather

b)

Warmer weather

c)

More sunshine

d)

Less clouds

137.

What type of weather occurs after a warm front?

a)

Stormy, cold weather

b)

Warm, clear weather

c)

Snow

d)

Very dark, cloudy skies

138.

How is thunder created?

a)

Thunder is the sounds created when the clouds run into each other.

b)

Thunder is the sound created by the sun's rays shining.

c)

Thunder is the sound created by the rapid expansion of air along a lightning strike.

139.

What is the difference between a storm watch and a storm warning?

a)

-Storm watch: is given when the severe weather has been spotted or is expected within 24 hours

-Storm warning: is given when the conditions are ideal for severe weather

b)

-Storm watch: is given when the conditions are ideal for severe weather

-Storm warning: is given when the severe weather has been spotted or is expected within 24 hours

140.

When are hurricanes most likely going to occur?

a)

Hurricanes are likely to occur when tornadoes move over cold arctic ocean waters. Near the poles, cold ocean water provides the energy that can turn a high-pressure center into a violent storm.

b)

Hurricanes are likely to occur when thunderstorms move over warm tropical ocean waters. Near the equator, warm ocean water provides the energy that can turn a low-pressure center into a violent storm.

141.

When is hurricane season?

a)

Hurricane season is from October to the end of January

b)

Hurricane season is from June to the end of November

c)

Hurricane season is from November to the end of May

142.

What type of weather is associated with a low-pressure system?

a)

Low-pressure: Stormy weather and rain

b)

High and Low Pressure systems have the same weather

c)

Low-pressure: Clear skies and calm air or gentle breezes

143.

Select all types of severe weather.

a)

Thunderstorms

b)

Tornadoes

c)

Hurricanes

d)

Rain

144.

What is a large volume of air in which temperature and moisture are nearly the same throughout?

a)

Air mass

b)

Front

c)

Tornado

d)

Hurricane

145.

In a low pressure system, air ...

a)

rises and cools

b)

sinks and warms

146.

What is created from the rapid expansion of air?

a)

Thunder

b)

Lightning

c)

Thunderstorms

d)

Storm Surge

147.

What fuels and makes hurricanes strengthen?

a)

Warm tropical ocean water

b)

Cold artic ocean water

148.

Where are most tornadoes found?

a)

Tornado Lane

b)

Tornado Alley

c)

Tornado Street

d)

Tornado Road

149.

Which of the following does not define an air mass?

a)

Temperature

b)

Mass

c)

Moisture

150.
Which type of air would you find at air mass D?
a)
cold, dry
b)
warm, humid
c)
warm, dry
d)
cold, humid
151.
What type of storm front is this?
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
152.
What type of storm front is this? 
a)
warm front
b)
cold front
c)
stationary front
d)
occluded front
153.
What characteristics are used to classify air masses?
a)
temperature and humidity
b)
pressure and temperature
c)
latitude and longitude
d)
wind speed and location 
154.

When air masses collide or interact with one another, what formation always occurs?

a)

Fronts are formed

b)

High amounts of wind

c)

Thunderstorms form

d)

Extreme weather occurs

155.

The following are all types of severe weather except

a)

Thunderstorms

b)

Heavy Rain

c)

Hurricanes

d)

Tornadoes

156.

_____ is an intense local storm with strong winds, heavy rain, frequent cloud to ground lightning, thunder and sometimes hail.

a)

tornadoes

b)

hurricanes

c)

storm surges

d)

thunderstorms

157.

_____ is a strong tropical low pressure system with strong winds, heavy rains and storm surge.

a)

tornadoes

b)

hurricanes

c)

lightning

d)

thunderstorms

158.
What happens if a hurricane moves over land or cold ocean water?
a)
it will get stronger
b)
it will get weaker
c)
it will upgrade its category
d)
it will morph into a typhoon
159.

In the southern hemisphere of the earth hurricanes circle __________.

a)

clockwise

b)

counter-clockwise

c)

up and down

d)

front to back

160.

In the northern hemisphere of the earth hurricanes circle __________.

a)

clockwise

b)

counter-clockwise

c)

up and down

d)

front to back

161.

The center of the hurricane is called the __________.

a)

bullseye

b)

point

c)

nose

d)

eye

162.

The sea water that starts a hurricane gets warm from ________________.

a)

volcanoes

b)

the moon

c)

lightning

d)

the sun

163.

Where do hurricanes form?

a)

In the warm waters of the Atlantic Ocean near the equator

b)

In the cool waters of the North Sea

164.

A hurricane is a very powerful storm.

a)

false

b)

true