Superposition is the geologic principle which explains why the bottom stratum in a section of rock is the oldest. The word literally means placing one thing on top of another where the lower strata are the older.
The answer is black holes. I hope this helps
The Piedmont<span> is a plateau region located in the eastern </span>United States<span>. It sits between the </span>Atlantic Coastal Plain<span> and the main </span>Appalachian Mountains<span>, stretching from </span>New Jersey<span> in the north to central </span>Alabama<span> in the south. The </span>Piedmont Province<span> is a </span>physiographic province<span> of the larger </span>Appalachian<span> division which consists of the </span>Piedmont Upland<span> and the </span>Piedmont Lowlands<span> sections</span>
Answer: a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.
Explanation:
