what are two primary types of rocks, what are the major types of rocks, what are three main types of rocks, what are different types of rocks, what are the basic types of rocks, list the 3 main types of rocks, describe the three different types of rocks
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what are two primary types of rocks
what are the major types of rocks
what are three main types of rocks
what are different types of rocks
what are the basic types of rocks
list the 3 main types of rocks
describe the three different types of rocks
what are two primary types of rocks, what are the major types of rocks, what are three main types of rocks, what are different types of rocks, what are the basic types of rocks, list the 3 main types of rocks, describe the three different types of rocks
