What makes Central America important to U. S. foreign policy?

--banana exports

--coal mining

--the Panama Canal

--technological innovations

What type of volcano does not form a mountain?

Which one of the theories about the Moon's creation do you most agree with? Why?

More than 75 percent of the ocean floor is completely flat, as sediment has settled for millions of years on the rock below. What is this region called?

What is the oldest mountain range in north america?

Calculate the area of a triangle that has a height of 4.5 and a base of 8

The force that causes the ocean tides is a. the coriolis effect. b. tsunamis. c. gravity. d. a swell.

5 facts about the atlantic provinces of canada

The greenhouse effect happens when greenhouse gases like carbon dioxide and methane absorb heat that has been reflected off the Earth and re-radiate this heat back towards Earth. What examples of greenhouse gases are given in the text above?

What is seafloor spreading?

Describe the story that anthropologists think the bones and tools they have discovered reveal about prehistory