If a wave is traveling at a constant speed, and the frequency increases, what would happen to the wavelength? It would increase
It would decrease.
It would remain constant.
It would drop to zero.

It would decrease.

Explanation:

the answer is neither ball has a charge.

because if they were both positively charged, they will repel each other.

if they were positively and negatively charged, they will seek.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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