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Answer: Magnitude of electrical force stays the same.
Explanation:
Equation:

Since the magnitude of each charge is halved.
and
the separation is halved.


Cancel out .25 on the numerator and denominator. Leaving the original equation.
Answer: Pressure increases as the depth increases.
Answer: A. Strong nuclear
The max effective range of strong nuclear force is about 1.2 femtometers ( which is 1.2*10^(-15) meters). This is well below 1 meter. Strong nuclear forces are the forces that hold together a nucleus. Specifically it holds together the protons that would otherwise repel one another due to similar charge.
<span>All of the waves in the electromagnetic spectrum are transverse waves.</span>