Answer:
Rocks are identified primarily by the minerals they contain and by their texture. Each type of rock has a distinctive set of minerals. A rock may be made of grains of all one mineral type, such as quartzite. Much more commonly, rocks are made of a mixture of different minerals.
Explanation:
The rotating loops of currents that occur in the ocean are referred to as gyres.
Answer:
From top to bottom: Midwest, West Coast, Southwest, Northwest.
Explanation:
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