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Consider the following statements
1. The peninsular plateau is composed mainly of igneous and metamorphic rocks
2. The Garo, Khasi and Jaintia Hills form a part of peninsular block.
3. The peninsular plateau is the oldest and most stable landmass in India, devoid of earthquakes or volcanic activity.
Choose the correct answer using the codes below.

1 and 2 only
2 and 3 only
1 and 3 only
All of the above
Explanation:
The central-western parts of India, particularly Gujarat (in 1819, 1956 and 2001) andMaharashtra (in 1967 and 1993) have also experienced some severe earthquakes. Earthscientists have found it difficult to explain the occurrence of earthquakes in one of theoldest, most stable and mature landmass of Peninsular block for a long time. Recently, someearth scientists have come up with a theory of emergence of a fault line and energy build-upalong the fault line represented by the river Bhima (Krishna. near Latur and Osmanabad(Maharashtra. and the possible breaking down of the Indian plate.
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