INDIAN GEOGRAPHY

THE EARTH

INTERNAL STRUCTURE OF EARTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Most widespread rocks in the world are:
A
Metamorphic rocks
B
Sedimentary rocks
C
Igneous rocks
D
None of these
Explanation: 

Detailed explanation-1: -Limestone is one of the most widespread sedimentary rocks. Many organisms, from corals to microscopic foraminifera, grow shells composed of carbonates. Most limestone forms when these organisms die and their carbonate shells accumulate in shallow seas. Limestone is one of the most widespread sedimentary rocks.

Detailed explanation-2: -Sedimentary rocks are the most common rocks exposed on Earth’s surface but are only a minor constituent of the entire crust, which is dominated by igneous and metamorphic rocks.

Detailed explanation-3: -Rocks: Sedimentary rocks are one of the three basic categories of rocks. The others include igneous and metamorphic rocks. While sedimentary rocks are the most common rocks on the earth’s surface, most of the earth is made of the other two.

Detailed explanation-4: -Chemical sedimentary rocks can be found in many places, from the ocean to deserts to caves. For instance, most limestone forms at the bottom of the ocean from the precipitation of calcium carbonate and the remains of marine animals with shells.

Detailed explanation-5: -Most sediments and sedimentary rocks are found at the bottom or near the edges of bodies of water like lakes, rivers, and oceans. This is because bodies of water often help to weather existing rock, creating sediment particles.

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