Question

What do you mean by rock ?
Name three major classes of rock?

Answer 1

Explanation:

What do you mean by rock ?

the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil..

Name three major classes of rock?

There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle. Sedimentary rocks are formed from pieces of other existing rock or organic material.

Answer 2

Answer:

this is a 1.answer

Explanation:

2. - there are three main types of rock

1) sedimantry 2) igenous 3) metamorphic.