The earth's crust is unstable."Explain it two effects on the earth surface.
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The earth's crust can be divided into two types mainly:
1.Upper Crust: granitic rocks
2.Lower Crust: basaltic rocks
It also plays a great role in supporting the life on earth and it's effects are:
a) to maintain the heat balance of our planet and keep it neutral,
and
b) it results in many natural disasters such as- earthquake and volcano.
(plate tectonics play a major role in it)
1.Upper Crust: granitic rocks
2.Lower Crust: basaltic rocks
It also plays a great role in supporting the life on earth and it's effects are:
a) to maintain the heat balance of our planet and keep it neutral,
and
b) it results in many natural disasters such as- earthquake and volcano.
(plate tectonics play a major role in it)
Swayam355:
good answers
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