Physics
Which of the following is correct about the properties of Gravitational Forces?

Both a and b
They are the strongest forces in nature
None
They observe inverse square law

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Physics
Which statement best describes an igneous intrusion?

Igneous intrusion for when ice crystals splash into lava
Magma explodes to the surface and forms a smooth outer layer of rock
Magma is exported to an open area and forms iron
Magma is injected into surrounding rock forming an igneous intrusive

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Physics
We always see the same face of the moon, because

It rotates at the same speed as the earth around the sun
It revolves on its axis in adirection opposite to that ofthe earth
It is smaller than the earth
It takes equal time for revolution around the earth and rotation on its own axis

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