Answer:
a very powerful and influential nation (used especially with reference to the US and the former Soviet Union when these were perceived as the two most powerful nations in the world).
Answer:
The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate. The angle of subduction was shallow, resulting in a broad belt of mountains running down western North America.
Explanation:
"<span>Rust Belt" is a term for upper Northeastern United States region and other like the Great Lakes, and the Midwest States, referring to economic
decline, population loss, and urban decay due to the shrinking
of its once powerful industrial sector.</span>
The Equator is the imaginary line that encircles the Earth and is equidistant from the North and South Poles.
Elastic rebound is what happens to the crustal material on either side of a fault during an earthquake.
