Structure and Composition of the Atmosphere

Question 1

Which gas in Earth’s atmosphere forms ozone?

Revolt · Accepted Answer

oxygen

Question 2

Which word describes the amount of matter an object contains?

Revolt · Accepted Answer

mass

Question 3

Which gas is most abundant in Earth’s atmosphere?

Revolt · Accepted Answer

nitrogen

Question 4

Which is one way that Earth’s atmosphere supports life?

Revolt · Accepted Answer

It keeps Earth warm.

Question 5

Which describes one of oxygen's roles in Earth’s atmosphere?

Revolt · Accepted Answer

allows fuels to burn

Question 6

Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach.Which statement about this scenario is accurate?

Revolt · Accepted Answer

If Joe keeps going up, air pressure will continue to decrease.

Question 7

Which atmospheric layer prevents meteoroids from reaching Earth’s surface?

Revolt · Accepted Answer

mesosphere

Question 8

Which gas in Earth’s atmosphere helps living things make proteins?

Revolt · Accepted Answer

nitrogen

Question 9

Which phrase describes air density?

Revolt · Accepted Answer

equals mass divided by volume

Question 10

The image shows a representation of mountains of various heights, numbered 1, 2, and 3. The plain is labeled number 4.

Revolt · Accepted Answer

1

Structure and Composition of the Atmosphere Answers

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