An eon is half a billion years or more.
It means the geologic term of the word heritage.
Magma.
Orogenesis refers to the geologic building of mountains. It is caused by an intense upward displacement of the Earth's crust.
no
1,000,000,000
1,000,000,000.0
250
The answer is 1,000,000,002
It is zero
one billion
1,000,000,000
1billion