What is a mineral called if it contains something that can be useful or sold for a profit?

In Brazil, what is an obstacle turned into a opprotunity? What are some great aspects of Brazil?

Which is an example of chemical weathering? A. acid rain changing granite into clay minerals and quartz grains B. freezing water splitting a boulder into several pieces C.

Why did the Western Front barely move throughout World War I? A. Trench warfare limited territorial gains on either side. B. The vastness of Russia made gains difficult for intruders. C.

Jupiter and saturn have compositions similar to the sun and are called

Match it term to its correct definition. Superposition Cross-cutting relationships Unconformities Original horizontality A. the oldest is on the bottom, the youngest on top. B. faults, fractures are younger than the rocks they cut through. C.

In what states might people work at a ski resort

What happened to the continent of africa as a result of the berlin conference

Hungary is south of poland? True or false

Which of the following is not a natural cause of climatic change? A. Human activity B. Solar activity C. Earth's tilt D. Volcanic activity

Where are the cool and the hot regions of the mantle located under?