Question

write the definition of rock

Answer 1

rock is a coherent, naturally occurring solid, consisting of an aggregate of minerals or, less commonly.....

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Answer 2

A composite matter made up of one or more minerals is called 'rock'.Rocks can be hard as well as soft. They can be porous or non porous and can be light or heavy in weight . Various types of rocks are formed due to different processes. Rocks can be divided into three categories on the basis of their formation.
THESE ARE:

1 ) IGNEOUS ROCKS

2 ) STRATIFIED ROCKS

3 ) METAMORPHIC ROCKS.