What will happen if there is a change in a magnetic field? A. The magnetic field will increase. B. The magnetic field will decrease. C. An electric field will be produced. D. The magnetic field will collapse.

 i think the best answer would be B.

D. the magnetic field would collapse

Explanation:

The earth magnetic field is protecting the atmosphere from the solar wind any sudden changes will cause navigational disaster.

electrical power

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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