Final Review #4 (N14-N18)

Front

What layer of the atmosphere contains almost all clouds, water vapor, and weather?

Back

Troposphere

Front

What is a group of smaller parts that work together as a larger whole called?

Back

A system

Front

Which of the following is not a fossil fuel: Oil, Wood, Gas, Coal?

Back

Wood

Front

When did the Earth first have large amounts of oxygen released into its atmosphere?

Back

2 billion years ago

Front

In which layer of the atmosphere do auroras occur and where the International Space Station orbits?

Back

Thermosphere

Front

What is the term for the outermost layer of the Earth's atmosphere?

Back

Exosphere

Front

What is the layer of the atmosphere that is directly above the troposphere?

Back

Stratosphere

Front

What is the primary function of the ozone layer found in the stratosphere?

Back

To absorb harmful ultraviolet (UV) radiation from the sun.

Front

What is the main component of the Earth's atmosphere?

Back

Nitrogen (approximately 78%)

Front

What phenomenon occurs when warm air rises and cool air sinks, creating wind?

Back

Convection