There is a repulsive force between two charged objects when they are of like charges/ they are likely charged (like charges repel each other)
D.
The reading between 7N and 8N would have to be 7.5N. Answers A and B are much to small and answer C is way to big.
Answer:
The second one a part of it heats up Earth's land and water equally.
Explanation:
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B. Transverse Wave this is the correct answer