Why did oceans not exist on earth nearly 4 billion years ago?
a. no water molecules were pres...
Geography, 29.10.2019 13:31 tucecoskun
Why did oceans not exist on earth nearly 4 billion years ago?
a. no water molecules were present.
b. water remained a gas because earth was very hot.
c. water existed as ice because earth was very cold.
d. there was no oxygen gas in the atmosphere.
Answers: 3
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