Uniformitarianism
fossils
radioactive decay
48 million
after
The youngest age of the shale is 910 ka. According to the principle of inclusions, the shale formed before the tephra, so the tephra must be younger than 910 ka.
Earth is mostly made of rock.
Answer: 5
Explanation:
3 + 1 = 4 (a =10) 3+1+10=14
Studying the new world made them see that the coastlines on each side of the Atlantic are similar.
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