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The 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.
Early 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?
On 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.
It 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.
The surface of early earth was mostly molten and volcanic. The atmosphere was hot and highly toxic.
You must state which chemical conditions you would like to have answered.
in the beginning of earth it was extremely hot with very little oxygen
- Jeremy ramirez
Early Earth's atmosphere had FAR less oxygen than it does today.
The thermosphere and the mesophere
theres no difference between the past hurracains and the present hurracains
Uniformitarianism.
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.
So if you know that low tide is at 0800 today you can estimate that it will be at 0850 tomorrow.
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.
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.
Paris
The geographical signs show there is.
crapper
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.
in the beginning of earth it was extremely hot with very little oxygen - Jeremy ramirez
theres no difference between the past hurracains and the present hurracains
is it carbon dioxide
Geology
Uniformitarianism.
They didn't have them then
The economy is on big difference.