AnswersDCSS Earth Systems CR 24-25Cumulative Exam

Cumulative Exam — Cumulative exam Answers

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1
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Why is the Continental Divide important?

A
It forms two river systems.
B
It combines two large ice sheets.
C
It separates two major watersheds.
D
It splits two large rivers through tributaries.
2
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What is one way people have negatively affected land resources?

A
habitat restoration
B
urbanization
C
terrace farming
D
reforestation
3

A college student has been assigned to write captions for a new textbook on gravity and motion. This is one of the pictures from the textbook.

Question illustration
A
The moon moves toward the Sun due to gravity.
B
The moon will move away from Earth because of inertia.
C
The moon would move in a circular path if there were no forces.
D
The moon would not stay in orbit without the pull of Earth's gravity.
4

Study these images.Which image shows a cumulonimbus cloud?

Question illustration
A
1
B
2
C
3
D
4
5

Which type of wetland includes a mixture of salt water and fresh water?

A
bogs
B
swamps
C
inland marshes
D
coastal wetlands
6

Which explanation provides support for continental drift theory?

A
Dinosaurs lived on many continents.
B
Coal fields match up across continents.
C
Tropical plant fossils were found in warm areas.
D
Mountains formed where Earth cooled and shrank.
7

Which interaction of the atmosphere with the lithosphere benefits the biosphere?

A
Nitrogen gas is released from volcanoes for plants to use.
B
Groundwater resources are replenished in different regions.
C
Sunlight is available for plant absorption during photosynthesis.
D
Plants rely on water vapor to release oxygen into the atmosphere.
8

Which causes an increase in greenhouse gases?

A
change in wind patterns
B
strengthening of hurricanes
C
burning of wood and coal
D
movement of warm ocean waters
9

Study the image.

Question illustration
A
1
B
2
C
3
D
4
10

How are S waves and surface waves similar?

A
Both arrive after P waves.
B
Both compress the ground.
C
Both travel through liquids.
D
Both produce minimal ground motion.
11

Which statement best describes a characteristic of maritime polar air masses?

A
They occur mostly during the summer.
B
They form over water with cool, moist air.
C
They bring dense, heavy snow in the winter.
D
They have cool, dry air that forms over land.
12

Meteorology is the study of

A
radar.
B
meteors.
C
Earth’s satellites.
D
Earth’s atmosphere.
13

What happens when the Sun emits more energy than normal?

A
Solar flares and sunspots occur, increasing Earth’s temperature.
B
Sunspots and volcanic eruptions occur, increasing Earth’s temperature.
C
Volcanic eruptions and movement of continents occur, decreasing Earth’s temperature.
D
Movement of continents and solar flares occurs, decreasing Earth’s temperature.
14

How do changes in wind currents affect the short-term climate in a region?

A
Prevailing winds can cause a milder climate with heavy rain.
B
Global winds can cause a longer summer.
C
Prevailing winds can cause heavy rains or a dry climate.
D
Global winds can cause a longer winter.
15

The diagram illustrates the water cycle.

Question illustration
A
Water cycles from a nonliving to a living part of the environment.
B
Water changes from a liquid to a gas.
C
Water changes from a gas to a liquid.
D
Water cycles from a living to a nonliving part of the environment.
16

Who rediscovered Aristarchus’s model of a heliocentric solar system?

A
Copernicus
B
Galileo
C
Kepler
D
Ptolemy
17

The diagram shows cross-cutting relationships among rocks.

Question illustration
A
D occurred after B.
B
D occurred before A.
C
A formed after the horizontal layer above was deposited.
D
F formed before the horizontal layer above was deposited.
18

What is unique about obtaining water from an artesian well?

A
The water is heated by magma or hot rocks.
B
The water is found in an impermeable layer.
C
The water is under pressure naturally and no pump is needed.
D
A mechanical pump must be installed to bring water to the surface.
19

The images show sedimentary layers before and after they were shifted by a geologic event.

Question illustration
A
layer A
B
layer B
C
layer C
D
layer D
20

How does water heat Earth?

A
Water traps heat and holds it deep inside the ocean.
B
Water transports nutrients and waste.
C
Water carries heat from the equator toward the poles.
D
Water from rainfall on land starts in the ocean.

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