Question

match the following

1. Sima a. the materials of the earth'crust
2. Rocks b. have definite chemical composition
3. Minerals c. changes into slate
4. Shale d. made up of silica and magnesium
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Answer 1

Answer:

1-d

2-b

3-a

4-c

These are the answers for your question

Answer 2

Answer:

1. Sima               a. the materials of the earth'crust

2. Rocks           d.made up of silica and magnesium

3. Minerals        b. have definite chemical composition

4. Shale             c. changes into slate