Rocks

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Which term best describes igneous rocks?

Which of the following rocks is an intrusive igneous rock?

Which statement generally describes granite?

Which of the following is not a type of igneous rock?

Geologists use the following characteristics to classify rocks, except....

The process by which sediments settle out of water or wind is

In general, what happens to an igneous rock as its silica content increases?

What is the most abundant type of rock in the Earth's Crust?