How is modern earth different from earth over four billion years ago?
Answers
Answered by
3
Explanation:
Earth was not habitable four billion years ago but now it is the only known planet that supports life. Explanation: Four billion years old earth was made up of dust and gases. It is claimed by scientists that the sources from which earth was formed included – a) Lunar rocks, b) Meteorites and c) Zircon crystal
Answered by
4
It is estimated that the earth was estimated 4.5 billion years ago.
Explanation:
- 4 billion years ago the temperature was much higher due to repeated volcanoes and hot gases present in the atmosphere.
- There weren't any live forms on earth.
- The distribution of the continental plates were different.
- The old earth was composed entirely of rocks and gases.
- The atmosphere had a different concentration of gases on the earth.
- There were no life sustaining gases.
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