According to the Expanding Universe Theory, the Earth formed:
a) 4.6 -4.7 billion Years ago
b) 13.7 - 13.8 million Years ago
c) 13.7 - 13.8 billion Years ago
d) 5 billion Years ago
e) 5 million years ago
Ans: a) 4.6 -4.7 billion Years ago
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