Atmosphere

The atmosphere is divided into ____ layers.

• 1

• 2

• 3

• 4

• 5

The layer of the atmosphere that is nearest the Earth's surface.

• Thermosphere

• Mesosphere

• Troposphere

• Stratosphere

The term "greenhouse effect" describes

• occupational diseases of florists

• the trapping of heat energy in the troposphere by certain gaseous molecules

• the trapping of heat energy in the stratosphere by nitrogen

• efforts by the White House to support environmental legislation

The threat of global warming can be addressed by

• reducing deforestation

• slowing population growth

• shifting to renewable resources

• using energy more efficiently

In a warmer world, we would expect more

• desert expansions

• droughts

• hurricanes

• all of these

Increased levels of carbon dioxide in the atmosphere have been implicated in which of the following?

• decreased seawater temperatures

• Increased seawater acidity

• both increased global warming and increased seawater acidit

• Increased global warming

All weather occurs in the ___________

• Stratosphere

• Mesosphere

• Thermosphere

• Troposphere

On which layer of the atmosphere is the ozone concentrated?

• Thermosphere

• Mesosphere

• Stratosphere

• Troposphere

This layer concentrated in the stratosphere reduces the amount of harmful UV radiation that reaches earth.

AB. C.D.

• Tropopause

• Atmosphere

• Ozone Layer

• Thermosphere

The layer above the stratosphere.

A.B.C.D.

• Mesosphere

• Stratosphere

• Troposphere

• Thermosphere