Question

ONE WORD ANSWERS

1. Rocks are made up of these

2.study of rocks

3. it has an average thickness of 8 to 60 km

4. the layer of earth made up of silica and aluminium

want all question answers help please
30 points for all question​

Answer 1

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1. minerals
2. Petrology
3. EARTH'S CRUST
4. crust

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Answer 2

Answer:

• minerals
• Petrology
• EARTH'S CRUST
• crust