What is a major landmark of the Southwest known for white water rapids?

What is another name for "black gold.

What is the river that forms the border between Texas and Mexico.

What is a major natural resource found in the Southwest Region.

What is the desert that covers approximately 120,000 square miles.

This caused many people to loose their homes and farms?

This river runs though the Grand Canyon.

What is a way that animals may change themselves to survive in the wild.

This is a major Plateau found in Arizona.

What are the two states that produce the most oil for our country?