6.1 Introduction to the Atmosphere

Front

Which gas is the largest component of our atmosphere?

Back

Nitrogen

Front

If starting at sea level and moving up, what is the correct order of atmospheric layers?

Back

Troposhere -- Stratosphere -- Mesosphere -- Thermosphere

Front

Approximately how deep is the atmosphere?

Back

1000 km

Front

Most reactions affecting life occur in which two layers of the atmosphere?

Back

Troposphere and Stratosphere

Front

Which of the following is NOT true about the greenhouse effect?

Back

All of the above are true.

Front

What is solar radiation composed of?

Back

all of the above

Front

What is the primary source of energy for the Earth's climate system?

Back

Solar energy

Front

Which layer of the atmosphere contains the ozone layer?

Back

Stratosphere

Front

What percentage of the Earth's atmosphere is composed of nitrogen?

Back

78%

Front

What is the main function of the ozone layer?

Back

To protect the Earth from harmful UV radiation