Rocks and Minerals

Q. What is the parent rock also called?

1. Bedrock
2. Toprock
3. Subrock
4. Humus

Q. Red sandstone is a type of _____ rock.

1. igneous
2. laterite
3. metamorphic
4. sedimentary

Q. Which process causes rocks to crack and break?

1. Re-crystallisation
2. Continuous variation in temperature
3. The buried remains of dead animals
4. Crystallisation

Q. A mixture of different minerals formed by natural processes in the lithosphere is known as a _____.

1. fossil
2. ridge
3. rock
4. glacier

Q.

Is rock a natural reservoir of phosphorus?