Is the United States a developing country or a developed country? How can you tell?

Explain the origin of the rock cleavage seen in slate and the mineral cleavage seen in amphibole or calcite.

Describe how P-waves and S-waves give scientists enough data to develop a model of Earth's Layers

What scientist do that is the basis for their investigations

Antarctica receives more solar radiation than does any other place on Earth, yet the temperatures are so cold and the ice cap is reflective, so that little polar ice melts during the summer;

Why do certain climates on earth create so many different types of vegetation or plant life

Which of these is caused by a chemical change? A) The honey in a jar crystallizes and will no longer pour. B) The skin of a banana turns from green to yellow as it ripens. C) A box of powdered brown sugar turns into a solid brick over time.

What geographic and weather features affect plant and animal life

Which realm contains the world's largest population?

Describe why a "permanent underclass" has developed in many cities, and the problems that result.

What is a disconformity? A. an intrusion that runs between rock layers B. an intrusion that cuts across another rock C. when a sedimentary rock is deposited on top of an eroded non-sedimentary rock D.