1)The greenhouse effect is the trapping of ________ near the earth's surface by gases in the atmosphere A) heat B) IR radiation C) UV radiation D) water 2)Which of the following is a more effective greenhouse gas: A) CO B) H2O C) N2 D) Rn 3)Why ozone is important to life on earthozone

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1)The greenhouse effect is the trapping of ________ near the earth's surface by gases in the atmosphere

A) heat B) IR radiation C) UV radiation D) water

2)Which of the following is a more effective greenhouse gas:

A) CO B) H2O C) N2 D) Rn

3)Why ozone is important to life on earthozone.gif

A) It is is required for respiration.

B) It helps to grow bacteria

C) It removes chlorofluorocarbons from our atmosphere.

D) It absorbs harmful ultra-violet rays from the sun

4)The amount of carbon dioxide in the atmosphere has been increased by:

A) increase use of aerosol sprays

B) deforestation

C) photosynthesis

D) all of the above

5)What is the correct order of earth's atmospheric layers from bottom to top?

A) Stratosphere, Mesosphere, Troposphere, Thermosphere

B) Stratosphere, Troposphere, Mesosphere, Thermosphere

C) Troposphere, Stratosphere, Mesosphere, Thermosphere

D) Troposphere, Mesosphere, Stratosphere, Thermosphere

E) Stratosphere, Troposphere, Thermosphere, Mesosphere

6)In which layer do virtually all weather phenomena take place?

A) Exosphere

B) Troposphere

C) Stratosphere

D) Thermosphere

E) Mesosphere

7)What frequencies of electromagnetic radiation are absorbed by the earth's ozone layer?

A) Infrared light.

B) Microwaves.

C) Ultraviolet light

D) Radio wave

E) Visible light.

8)What frequencies of electromagnetic radiation are most abundantly emitted by the sun?

A) Infrared light B) Microwaves C) Radio waves D) Ultraviolet light E) Visible light.