Question

3. Define 'rock.
Explain the 4 types of rocks ​

Answer 1

Answer:

1)sedimentery rock

2) metamorphic rock

Answer 2

Answer:

A rock is a solid mass of geological materials. Geological materials include individual mineral crystals, inorganic non-mineral solids like glass, pieces broken from other rocks, and even fossils. A rock can be composed of only one type of geological material or mineral, but many are composed of several types.

Following are the 4 types of rocks:-

1) Sedimentary rocks-Sedimentary rocks are formed from pieces of other existing rock or organic material.

2)Metamorphic rocks-Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.

3)Igneous rocks-Igneous rocks are formed from melted rock deep inside the Earth

4)Basalt-. More than 90% of all volcanic rock on Earth is basalt.

Explanation:

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