Question

What happenes when earth
Core cooled down​

Answer 1

Answer:

Shutterstock. When the molten outer core cools and becomes solid, a very long time in the future, the Earth's magnetic field will disappear. When that happens, compasses will stop pointing north, birds will not know where to fly when they migrate, and the Earth's atmosphere will disappear.

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Answer 2

Answer:

if the earth core is cooled down

the the earth gravitational focre of the earth is disappear

and magnetic field of earth is disappear the sun's uv radition will affect the earth and cause skin cancer and other skin disease.the plants and trees die in excussive radition.