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

a. 20

b. 50

c. 65

d. 85

What are scientists doing to collect data on the greenhouse effect?

Which of the following geological processes adds new rock to the surface of the earth? A) Volcanic activity B) Glacial activity C) Soil erosion D) Weathering

Example of distance decay

One landmass made up of all the modern continents

5 razones para vivir en Zurich

While statement about the Brazilian Highlands is not true

How many cities does Texas have

What is a "Cold War"?

Do you think our society is wasteful in terms of natural resources? Defend your position by explaining the social and economic factors affecting our use of natural resources. Discuss how we can improve the way that we use natural resources.

Which of the following countries has the largest economy? A. China B. Japan C. South Korea D. North Korea