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5 votes
On what basis are rocks classified into three

main groups?
A. their age
B. their color
C. their formation
D. their texture

On what basis are rocks classified into three main groups? A. their age B. their color-example-1
User Richie
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2 Answers

4 votes
It is d, their texture
User Shorpy
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4 votes

Answer:

The answer is their formation. (C)

Step-by-step explanation:

User Tsabo
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