Atmosphere Question Preview (ID: 527)


Structure And Composition Of Atmosphere. TEACHERS: click here for quick copy question ID numbers.

What process was responsible for producing gases and formed the early atmosphere?
a) photosynthesis
b) outgassing
c) vegetation
d) meteor impact

Early atmosphere did not have oxygen. What was the source/s of oxygen?
a) plants and bacteria
b) volcanoes
c) humans
d) animals

Carbon dioxide, nitrogen, methane, water vapor were already present in the Early Earth. This statement is
a) true
b) false
c) maybe
d) all of the above

What was the reason why plants and bacteria survive in the early Earth?
a) the formation of solar system
b) formation of an ozone layer
c) formation of severe weather
d) human life

In which layer of the atmosphere do you find rain, snow and clouds
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere

What is the most common gas in the atmosphere?
a) oxygen
b) nitrogen
c) carbon dioxide
d) water vapor

In which layer of the atmosphere is ozone found?
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere

What have CFC's done to Earth and its atmosphere?
a) They have created a hole in the ozone layer.
b) They have caused more ultraviolet radiation to reach the Earth.
c) They have caused a number of skin cancer cases to rise.
d) all of the above

How have man's activities chnaged the compostion of our atmosphere?
a) They have polluted it with carbon dioxide and chemicals.
b) They have polluted it with excess ozone.
c) They have made the atmospheric temperature drop.
d) They have made the atmospheric pressure drop.

Earth's atmosphere is divided into layers that are based upon their
a) water content
b) relative humidity
c) gas content
d) temperature gradient

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