Question

Earth's atmosphere, oceans, and continents began to form during the first several hundred million years of

A. the Mesozoic Era.
B. the Cenozoic Era.
C. Precambrian Time.
D. the Paleozoic Era.

Answer 1

what you guess about the asnwer... ?

Answer 2

I think it's a but i'm not sure.

Answer 3

hmmm... have a look here.. .then tell me...

http://en.wikipedia.org/wiki/History_of_the_Earth

Answer 4

I don't use wikipedia.

Answer 5

the answer would be A

Answer 6

not A... am sure

Answer 7

Kay thanks.

Answer 8

What is it then?

Answer 9

i am sure about C... as per wikipedia...

Answer 10

OK thank you.

Answer 11

pleasure...

Answer 12

@meese please click the "best response button" for the person who helped you... and welcome to open study....