Atmosphere and Ozone Layer Review

Practice flashcards covering atmospheric composition, atmospheric layers, and ozone layer dynamics based on the lecture notes.

What percentage of the atmosphere is composed of oxygen?

$$21\%$$

What percentage of the atmosphere consists of nitrogen?

$$78\%$$

What percentage of the atmosphere is made up of other airs?

$$1\%$$

What are the layers of the atmosphere listed from highest to lowest?

Thermosphere, mesosphere, stratosphere, and troposphere

According to the transcript, what proportion of every million molecules is an ozone layer?

$1\%$ of every million molecules

What breaks apart $O_2$ to form $O$ in the atmosphere?

Radiation

What molecule does single oxygen ($O$) bond with to form $O_3$?

$$O_2$$

What molecule is formed when single oxygen ($O$) bonds with $O_2$?

$$O_3$$

What does $O_3$ absorb before breaking apart into $O_2 + O$?

Radiation

What is identified as the cause of the hole in the ozone layer?

CfC