15 Infer Butterflies feed on nectar found inside flowers. How might this butterflys long mouth part help it feed?

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

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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force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

1 is a answer of a question