B. Fill in the blanks.
1. Earth was formed about
million years ago.
2. The behaviour of
waves tells us about the earth's interior.
3. The
of crust varies from place to place.
4.
Rocks are classified into three groups on the basis of their
5. The
of the earth is rich in iron and nickel.
Answers
Answered by
15
Explanation:
1 ) 4.5 Billion years ago.. = 4500 million years
2 ) seismic waves
3 ) Earth crust or Tectonic Plates
4 ) permeability or Mineral and chemical composition
5 ) core ( outer core )
Answered by
6
OK I hope you answer was correct
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