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What was the reason why plants and bacteria survive in the early Earth?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
What have CFC's done to Earth and its atmosphere?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
How have man's activities chnaged the compostion of our atmosphere?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
What is the most common gas in the atmosphere?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
Carbon dioxide, nitrogen, methane, water vapor were already present in the Early Earth. This statement is
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
Early atmosphere did not have oxygen. What was the source/s of oxygen?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
In which layer of the atmosphere do you find rain, snow and clouds
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
What process was responsible for producing gases and formed the early atmosphere?
plants and bacteria
outgassing
formation of an ozone layer
nitrogen
They have polluted it with carbon dioxide and chemicals.
true
troposphere
all of the above
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