GLOBAL WARMING

The part of the earth's environment where living organisms can be found:

• atmosphere

• hydrosphere

• biosphere

• lithosphere

This is the cutting down and removal of forests and vegetation:

This is the natural process by which the sun's heat is trapped by the atmosphere:

This is the greenhouse gas that is largely responsible for global warming:

• carbon dioxide

• methane

• nitrous oxide

• water vapour

This greenhouse gas is emitted from dead and decaying matter:

• carbon dioxide

• methane

• water vapour

• nitrous oxide

The global increase in the earth's temperature is called:

• the greenhouse effect

• climate change

• global warming

• the water cycle

ChloroFloroCarbons (CFCs) cannot destroy the ozone layer:

• true

• false

Without the earth's atmosphere, the temperature of the earth will be zero degrees.

• false

• true

Which of the following can cause global warming?

• deforestation

• exhaust fumes from cars

• factory emissions

• all of the above

Global warming can be caused by the type of pollution seen here:

• noise pollution

• land pollution

• air pollution

• water pollution