Chapter 16

The most abundant gas in Earths atmosphere is

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Which layer of the atmosphere is the ozone layer in?

• Thermosphere

• Troposphere

• Exosphere

• Stratosphere

The___________ is a layer of air above us and around the word.

• atmosphere
• troposphere

• exosphere

• mesophere

What is the two most abundant gases?

• nitrogen

• oxygen

• argon

• carbon dioxide

The________ is between the stratosphere and as its name.

• ozone layer
• ozone

• layer

• rain layer

the ozone layer

• stratosphere

• mesosphere

• troposphere

• exosphere

• thermosphere

the disintegration of meteorites

• mesosphere

• stratosphere

• troposphere

• exosphere

• thermosphere

atmospheric phenomena

• troposphere

• exosphere

• troposphere

• mesophere

the edge of outer space

• exosphere

• thermosphere

• troposphere

• statosphere

norther and southern lights

• stratosphere

• thermosphere

• exosphere

• mesosphere