Where are the three main regions of rain forest in the world?

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Wegeners theory of continental drift states that the continents have changed throughout history while the theory of plate tectonics