Collectively, the Great Lakes make up approximately ___% of the surface fresh water in the entire world.

a.20
b.50
c.65
d.85

Topographic maps are used to measure a-composition b-movement c-elevation d-texture

The two types of plains are coastal plains and lowland plains

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory