Question

1. Name the layers of the earth?
2. Write any four uses of rocks?
3. What is a rock cycle?
4. Write two characteristics of each type of rock?
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Answer 1

Answer:

your answers in photos............and p.t.o the photos.....

Explanation:

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Answer 2

1.outer core, inner core, crust and the mantle.

2.*they helps in new technology.

*they are used in making cement (limestone ).

*building material.

*bath scrub .

3.the rock cycle is a process in which rocks are continously transformed between the three rock type ignesious, sedimentary, and metaphoric.

4.(A)*characteristics of igneous rock:-

1.the chemical composition of the magma .

2.temperature of the solidification.

3.rate of cooling which influence the crystallisation process.

(B) characteristics of sedimentary rocks :-

*drying and compaction.

*oxidation of iron and aluminium.

*precipition of calcium and silica.

(C) characteristc of metamorphic rock :-

*pressure .

*temperature.

*time.

*fliuds.

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