What three states does the Appalachian Mountain range run through?

Three dimensional scale model of Earth

Hernan Cortez was the leader of the Spanish army that conquered the Aztecs. A. True B. False

The Gobi desert, in the interior of Asia, sits more than 2,000 km away from the nearest ocean and is therefore a good example of a:

Why do seasons occur on the Northern and Southern hemispheres?

The broad flat valley through which a river flows is a ... ?

Which resources are important to the economies of many countries in Siberian Russia, Central Asia, and the Caucasus region? A. oil B. timber C. diamonds D. coal

In a short paragraph, explain the various waves of immigration to the United States. What groups were part of each of these waves?

What is a fault? A. the name for two opposing forces B. a type of crust that moves under heavier crust C. a crack in Earth's crust where movement occurs D. a volcanic region where new material is being created

How many plug-in hybrids does Obama want to see on the road in the next 6 years? 100,000 500,000 1 million 2 million

What is the difference between weathering and erosion?