There are ..... broad categories of rocks.

EARTH SCIENCE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

There are ____ broad categories of rocks.

A	3
B	2
C	4
D	5

Explanation:

Detailed explanation-1: -There are three main types of rocks: sedimentary, igneous, and metamorphic.

Detailed explanation-2: -Igneous rocks are formed from melted rock deep inside the Earth. Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons. Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.

Detailed explanation-3: -All three types of rock make up the Earth’s lithosphere, the outermost layer. The lithosphere averages about 100 kilometers in thickness.

Detailed explanation-4: -Complete answer:Rock cycle is a group of changes that enable sedimentary, igneous and metamorphic rocks to transform from kind to another through processes like melting, cooling, eroding, compacting and deforming. Igneous rock is the primary rock which is formed by cooling of magma.

Detailed explanation-5: -Igneous Rocks. Sedimentary Rocks. Metamorphic Rocks. 19-May-2020

There is 1 question to complete.