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.
Answer:
New York is the most populous city in the US
Answer:
<em><u>its called warm ocean currents</u></em>
Explanation:
<u><em>The warm air raises the temperature of the land it touches.</em></u>
A megalopolis is<span> typically defined as a chain of roughly adjacent </span><span>metropolitan areas.</span>
Truman orders US forces to Korea .
