Which of Earth's layers is comprised mainly of extremely hot liquid metals

How can glaciers cause erosion and deposition

2. The Bahamas were created by ___.

Which energy source is the biggest polluter in London? a. coal b. natural gas c. nuclear solar d. hydroelectricity

Why are rain forests important to the world? Species found in the rain forest have been used for medical purposes. Rain forests are the natural habitat for 30 percent of the world's plant and animal species.

How does groundwater become polluted

Which of the following is an example of a climate region in the Eastern Mediterranean? a. Arid c. Mediterranean b. Semi Arid d. All of the above

What is at the back of the moon?

What can our oceans tell us about Earth's structure and formation?

Which type of economic system has the highest level of government control?

What two continents are located on a single landmass?