C165 C 165 Final Exam Review

C165 / C 165 Final Exam Review (Latest Update 2025 / 2026) Integrated Physical Sciences | Questions & Answers | Grade A | 100% Correct (Verified Solution) - WGU

Question:

What is the most precise and most direct method to monitor the motion of the continents?

Answer:

Global Positioning System (GPS)

Question:

At which type of boundaries do tectonic plates move toward each other?

Answer:

Convergent

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Question:

When divergent plates move away from each other, what does the space between them get filled with?

Answer:

Magma

Question:

Describe how and why air density changes with changes in altitude.

Answer:

Air density decreases with an increase in altitude because air particles have mass and are pulled down by Earth's gravity.

Question:

Which gas is most abundant in the Earth's atmosphere?

Answer:

Nitrogen

Question:

Which of the following is the least abundant in Earth's atmosphere?

Answer:

Ozone 2 / 4

Question:

Which gas is used by plants to make organic compounds?

Answer:

Carbon dioxide

Question:

What can density be defined as?

Answer:

Mass divided by volume

Question:

You are getting ready to take a hike up a mountain. Where along the trip will the air density be the greatest?

Answer:

At the bottom of the mountain

Question:

atmosphere

Answer:

the layer of gases surrounding Earth and other planets 3 / 4

Question:

In which layer is the ozone layer located?

Answer:

Stratosphere

Question:

In which layer does Earth's weather happen?

Answer:

Troposphere

Question:

What is the density of the troposphere compared to the density of the mesosphere?

Answer:

The density of the troposphere is greater than the density of the mesosphere.

Question:

What is the density of the exosphere compared to the density of the stratosphere?

Answer:

The density of the exosphere is less than the density of the stratosphere.

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