Question

MODEL ACTIVITY TASKS
CLASS-XI
GEOGRAPHY
Chapter: Principles of Physical Geography
nswer the following questions:
Explain the theory of Laplace about the origin of earth.
Give a brief account of the sources of data about the interior of the earth.
Draw a labelled diagram to show different layers and discontinuities of earth's interior.
Distinguish between sial and sima. Mention five characteristics of core.​

Answer 1

Answer:

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