I believe C is your answer (also, I am also using tht same exact program!)
3 because opposites attract
Explanation:
Below is an attachment containing the solution.
Answer:
Explanation:
Given
Force applied 
Door is
wide
for gate to revolve Properly Pivot Point must be at center i.e. 1.5 from either end
Torque applied is
Maximum torque



The paragraph is going to be your responsibility but I can provide the pros and cons.
Advantages include the fact that Uranium is a plentiful resource, it is relatively clean, and it takes very little resources to make power.
However disadvantages include radioactive byproducts which need longtime storage. Uranium is also a nonrenewable resource, meaning it can run out. Additionally safety issues regarding melt downs are a major concern.