I think its A. i am not sure though
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.
10 countries with the biggest proved coal reserves as of 2012
United States of America
Russia
China
Australia
India
Germany
Ukraine
Kazakhstan
Colombia
Canada
<span>For the answer to the question above, imagine they are traveling at approximately 17,500mph, at a tangent to the Earth, so, in absence of gravity, would be propelled away from the Earth like a slingshot. But the Earth's gravity pulls them in at the same rate, so that the net effect is zero, and they circle the Earth instead of flying off at the tangent.</span>
A vast body of salt water is called a sea
i’m pretty sure that is the answer so i hope it helped
