Which are examples of greenhouse gases?

Temperature variations in the troposphere allow for...

What are gases in the atmosphere that absorb and retain the energy that is given off from the land and ocean?

What is the process of liquid water being heated and turning into water vapor?

The ______ contains the ozone and is cold except at the ozone layer.

Water that flows over land surfaces and into the ground is called ___.

The _____ is a warming of the earth's surface and the air above it.

The process of water vapor cooling and turing into a liquid is ____.

The ______ is the movement of water between the atmosphere and the earth's surface in the troposphere.

The ____ is a layer of gases that surrounds the planet.

What forms when water vapor changes to water droplets on a surface?

What is the force that is exerted by gases pushing on an object?

In which layer of the atmosphere does the water cycle occur?

Which stage of the water cycle results in the formation of clouds?

What are the two most common gases found in all the layers?

Acid rain is caused by ...

As you go higher in the atmosphere, what happens to the air pressure?

Which is a human cause of the greenhouse effect?

Which of the following is a natural cause of greenhouse gases?