The Earth is approximately ________ years old.
A. 4,500 to 4,600
B. 4,500,000,000,000 to 4,600,000,000,000
C. 4,500,000,000 to 4,600,000,000
D. 450,000 to 460,000
E. 4,500,000 to 4,600,00
Answer: C
Environmental & Atmospheric Sciences
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