Question

ii. Why did the environment of Earth was not suitable for human beings when it was formed?

Answer 1

Answer:

There was no life on Earth for the first billion years because the atmosphere was not suitable for life. Earth's first atmosphere had lots of water vapor but had almost no oxygen. ... The volcanic eruptions spewed gases such as nitrogen, carbon dioxide, hydrogen, and water vapor into the atmosphere—but no free oxygen.

Answer 2

Answer:

the time when earth was formed the surface temperature was too high to be tolerated. Also there was no oxygen and water which are essential