Describe the formation of auroras and explain why they can only be seen at high latitudes.

What type of projection would be best for a world map of population density? why?

Why should we conserve environment

How does the Conservation Reserve Program (CRP) try to protect soil for future agriculture? a. The CRP provides grants to farmers willing to use contour farming. b.

The world produces enough food for the current world population. True False

Why is radioacine dating important when approximating the age of Earth? Scientists can identiy offerent te forms using index fossil records. Scientists can examine how temperature changes within Earth's interior.

How was the Great Leap Forward supposed to increase China's production? A. by replacing private ownership of farms with common ownership B. by combining China's collectives into self-sufficient People's Communes C.

Oil and natural gas result from

A sphere made of steel is put in water and, surprisingly, it floats. Develop a hypothesis to explain this observation.

What is the primary economic activity of the outback is

Which African country faced a serious genocide in 1994, during which almost one million people were killed? A. Rwanda B. Zaire C. the Democratic Republic of the Congo D.