Physics
An optically plane surface reflects a beam of light

As diffused beams in all directions
As parallel beams in all directions
As a diffused beam in one direction
As a parallel beam in one direction

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Physics
Which statement best describes an igneous intrusion?

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

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