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What is the source of radiation for both the Earth's atmosphere and the greenhouse?
Sol.The Sun is the source of radiation for both the earth's atmosphere and the greenhouse effect.
What is the heat source within the early earth?
which of the following was not a source of heat that caused the early earth to melt is?
The primary source of oxygen for the earth's atmosphere?
Plants
What gas was not plentiful in earth's early atmosphere?
oxygen
Was there oxygen in the atmosphere of early earth?
No! Stromatolites converted the toxic atmosphere into a breathable one.
What was the source of original atmosphere of early earth?
outgassing from rocks
What is hypothesized to be the early source of free oxygen in Earth's atmosphere?
cyanobacteria
Hypothesized to be the early source of free oxygen in Earth's atmosphere?
photosynthesis by cyanobacteria
How did bacteria change early earths atmosphere?
Earth's early atmosphere was primarily composed of carbon dioxide. Early bacteria used carbon dioxide as a source of fuel and as a result produced oxygen.
What is the source of radiation for both the Earth's atmosphere and the greenhouse?
Sol.The Sun is the source of radiation for both the earth's atmosphere and the greenhouse effect.
What is the source of radiation for both the earth's atmosphere and the greenhouse effect?
The sun is the source of radiation for both the earth's atmosphere and the greenhouse effect.
Is the earth's atmosphere always the same?
No. The early Earth's atmosphere contained a lot of ammonia, for example.
What is the heat source within the early earth?
which of the following was not a source of heat that caused the early earth to melt is?
The is the source of all energy in our atmosphere.?
The source of all energy in our atmosphere is the sun.Some energy is reflected back into space, some is absorbed by the atmosphere, some is absorbed by land and water on Earth's surface (all of the above) When Earth receives energy from the Sun.
What is the source of radiation for earth's atmosphere and the greenhouse?
The sun.
The primary source of oxygen for the earth's atmosphere?
Plants
Why was oxygen absent from earth's early atmosphere?
Oxygen is an extremely chemically active element, which is why things can burn in our current atmosphere. In the early Earth, all the oxygen had reacted with other chemicals in the environment, so that there was no free oxygen. Only later, when photosynthesis was used by green plants, was there a source of free oxygen.
