The age of the universe is based on what?
A) the age of stars
B) the distance of stars
C) the observation that all objects in the universe are moving away from each other
D) radiocarbon dating
Correct Answer:
Verified
Q80: After the Great Oxidation Event, _ formed.
A)terrestrial
Q81: Oxygen concentrations in the atmosphere first began
Q82: The Moho is on average _ kilometers
Q83: Which group of organisms has been on
Q84: Every year an estimated _ metric tons
Q86: Why is Earth's center composed of heavy
Q87: Scientists think the universe is about _
Q88: How did Earth's atmosphere form?
A)from volcanic gases
B)from
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