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Jose Luettgen
Wiki User
∙ 12y agoThe early Earth had a reducing atmosphere, made up predominantly of methane, ammonia, and water vapor. All of these (except water vapor) are now present in trace quantities only; the atmosphere is now predominantly nitrogen and oxygen.
Wiki User
∙ 13y agoEarly is relative, the earth has gone through many cycles and changing conditions?
Beginning was extremely hot, and the atmosphere had very little oxygen.
Today we have more oxygen,
I guess it depends on what the conditions are you looking at? temperature? water? atmosphere? life?
Wiki User
∙ 8y agoOn ancient Earth, nitrogen, water vapor, carbon dioxide, and methane were probably the most abundant gases in the atmosphere. In contrast, the major gases in the atmosphere today are nitrogen and oxygen.
Wiki User
∙ 7y agoIt depends on your understanding of "ear;y". Earth's original atmosphere was almost oxygen free. The presence of blue green algae and other plants eventually converted it to an oxygen rich atmosphere. By the age of dinosaurs it was much higher than today, 67 million years ago, contained nearly 35 percent oxygen. The oxygen atmosphere decreased with the world wide forest fires following the meteor strikes at the end to the age of dinosaurs and eventually arrived at the 21% oxygen we have today.
Wiki User
∙ 12y agoThe surface of early earth was mostly molten and volcanic. The atmosphere was hot and highly toxic.
Wiki User
∙ 14y agoYou must state which chemical conditions you would like to have answered.
Wiki User
∙ 12y agoin the beginning of earth it was extremely hot with very little oxygen
- Jeremy ramirez
Wiki User
∙ 7y agoEarly Earth's atmosphere had FAR less oxygen than it does today.
Duer Angea
The thermosphere and the mesophere
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What is the difference between hurricanes in the past and today?
theres no difference between the past hurracains and the present hurracains
What word do you apply to the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth?
Uniformitarianism.
What is the Earth's axial tilt today?
23 degrees 26 minutes. This is the angular difference between the Earth's axis of rotation and the plane of the ecliptic, which is the plane of the Earth's orbit around the Sun. This tilt changes VERY slowly; fractions of a minute of arc each decade.
What is the time difference between two tides?
So if you know that low tide is at 0800 today you can estimate that it will be at 0850 tomorrow.
Why did it rain for 1 million years?
Scientists believe that very early in the history of the Earth, when conditions were vastly different than today, that condensing gases in the early atmosphere led to a rainfall lasting several million years, leading to the formation of the oceans.
What is the difference between tonight and today?
Well, the difference between today and tonight is today is now in the daytime and tonight is this night, after dark.That is what the difference is between them.
Is there any difference between the physical geography of western Europe today and western Europe of the early middle ages?
Paris
Is there any difference between the physical geography of northwestern Europe today and northwestern Europe of the early middle ages?
The geographical signs show there is.
The most significant difference between the sociological surveys of today and the social surveys conducted by the early sociologists around the turn of the century lies in the?
crapper
How does the life of early man compare with man today?
The life of early man compares to man today in a few ways. One difference is that early man did not have the high sugar diet.
How is Earth today different from early earth?
in the beginning of earth it was extremely hot with very little oxygen - Jeremy ramirez
What is the difference between hurricanes in the past and today?
theres no difference between the past hurracains and the present hurracains
What gases exist today but were absent from early earth's atmosphere?
is it carbon dioxide
All of animal phyla on Earth today evolved during what period?
Early Cambrian
What word do we apply to the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth?
Geology
What word do you apply to the concept that the processes that are at work on earth today are the same processes that shaped the early history of earth?
Uniformitarianism.
What is the difference between 1940's and today's microwave?
They didn't have them then
