LAYERS of the ATMOSPHERE

Front

The most abundant gas in the atmosphere is ________. Options: carbon dioxide, argon, nitrogen, oxygen

Back

nitrogen

Front

In which layer of the atmosphere do cloud formation and precipitation occur?

Back

troposphere

Front

________ is a region of highly ionized, or electrically charged, gases.

Options: mesosphere, thermosphere, troposphere, stratosphere

Back

thermosphere

Front

What is the lowest layer of the atmosphere?

Back

troposphere

Front

In which atmospheric layer is the ozone formed?

Back

stratosphere

Front

Why is it essential to maintain the ozone layer in the atmosphere?

Back

Absorb most of the ultraviolet radiation that enters the atmosphere.

Front

The layer of the atmosphere from top to down are:

Back

thermosphere, mesosphere, stratosphere, troposphere

Front

Layer of the atmosphere where meteors burn up.

Back

mesosphere

Front

What separates the stratosphere from the mesosphere?

Back

stratopause

Front

What is the composition of the atmosphere?

Back

78% nitrogen, 21% oxygen, 0.93% argon, 0.04% carbon dioxide, 0.03% other gases