<em><u>at the beginning of the film, the areas with fairly dense dots are mostly in places where the climate is good and the land is fertile. often along river banks and near deltas, people have developed forms of agriculture.</u></em>
Answer:
Explanation:
What happens when the magnitude of one charge is doubled?
If the magnitude of one charge is doubled then the magnitude of the force is also doubled. The force is not proportional to the square of the charge, so the magnitude of the force will not change by a factor of four.
The correct answer is swamps