Answer:
South America's geologic structure consists of two dissymmetric parts. In the larger, eastern portion are found a number of stable shields forming highland regions, separated by large basins (including the vast Amazon basin). The western portion is occupied almost entirely by the Andes Mountains.
Explanation:
Answer: We study other star systems in spaceships and big, professional telescopes
Answer:
scientist can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes
Explanation:
Answer:
Sierra Madre Occidental
Explanation:
this mountain range takes up nearly 140,000 square miles of Mexico.
Hot spot volcanism is the hot mass of rising heat!
