According to the world-system theory, the world consists of

a. core nations.

c. semiperipheral nations.

b. peripheral nations.

d. all of the above

The solar nebula theory Select one: a. explains how to determine the distances to other stars b. is a scientific idea about the origin of our Solar System c. provides scientific proof that Pluto is a comet d. is an idea on how to stop global warming

one - fourth of all Canadians live in

Which of these countries does not have acsses to a large body of water?

Where in africa is the zambezi river

Which European nation colonized the most land in West Africa?

Identify the relationship between natural resources and European settlement

Where was it illegal to own slaves prior to the civil war

In which country would you find tundra?

Why were the people of latin America discontent and willing to start revolutions

What is a rift Describe sea floor spreading