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After the "Rocks and the Rock Cycle" lecture and readings you should be able to answer and discuss the following questions.

What is the definition of a rock?

How does this definition compare and differ from that of a mineral?

What is meant by the term "solid"?

What does "natural" mean in this definition?

What are mineraloids, glass and organic particles?

What natural materials act as a cement to hold rock together?

What are the three main rock groups?

What is Rock Cycle?

What the importance of the Rock Cycle?

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