Answer: Sea-floor spreading — In the early 1960s, Princeton geologist Harry Hess proposed the hypothesis of sea-floor spreading, in which basaltic magma from the mantle rises to create new ocean floor at mid-ocean ridges. ... A test of the hypothesis of sea-floor spreading was provided by studies of the Earth's magnetism.
Answer:Spain.
Explanation:
Spain was the first country to send explorers to South America. And this was during Christopher Columbus' travels around the world. Spain started this with America, and moved on to the Caribbean and with time they spread their tentacles to South America. During this time, a lot of Spaniards trooped into America sorting for wealth and status.
1.China
2.India
3.United States
and the 4th if you want it is Indonesia
Tornados form from wind currents
B.) It is a form of religion that focuses on human morality
