Structure and Composition of the Atmosphere

Question 1

Which word describes the amount of matter an object contains?

Revolt · Accepted Answer

mass

Question 2

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

Revolt · Accepted Answer

allows fuels to burn

Question 3

Which characteristic describes the troposphere?

Revolt · Accepted Answer

has the highest air pressure

Question 4

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

Revolt · Accepted Answer

mesosphere

Question 5

As altitude increases, what happens to air pressure?

Revolt · Accepted Answer

It decreases.

Question 6

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

Revolt · Accepted Answer

It keeps Earth warm.

Question 7

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

Question 8

Which gas in Earth’s atmosphere forms ozone?

Revolt · Accepted Answer

oxygen

Question 9

Which gas is most abundant in Earth’s atmosphere?

Revolt · Accepted Answer

nitrogen

Question 10

Which phrase describes air density?

Revolt · Accepted Answer

equals mass divided by volume

Structure and Composition of the Atmosphere Answers