The sum of all forces on an object is the net force or resultant force. If all the forces cancel out , resultant force is zero , otherwise unbalanced force will cause acceleration of object .
Force is the vector, has both direction and magnitude.
The correct answer is A. Distance
Hope this helps
I would say C: Dam
Sea walls and levees stop water from overflowing onto something. Which can we good but has no impact on droughts.
Storm shelters wont impact droughts either. They are men't to protect people from storms.
A Dam on the other hand can contain and keep water in one given place. Which will save water, to be used to prevent future droughts.
Hope this helps!
Brainliest is appreciated if you feel its deserved!