according to the Maps of continental drift sequences how has the position of north America relative to the equator changed over the last 200 million years

Adesert is an example of a(n) and the gobi desert is an example of a(n) a. ecosystem biome b. biome ecosystem c. ecosystem climate d. climate biome

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?

What are economic benefits of building dams