<h2>
Hello!</h2>
The answer is:
The correct option is:
C. 
<h2>
Why?</h2>
To calculate the force exerted by the pump, we must remember the formula to calculate power, also, we must remember that power means work done in a determined period of time.
We have that power can be calculated by the following equation:

So, we are given the following information:

Now, substituting and calculating we have:



Hence, the correct option is:
C. 
Have a nice day!
Answer:according to newtons third law for every action force there is an equal in size and opposite in direction reaction force forces always comes in pairs
Explanation:
Density formula: d = M/V
So I think the answer would be 5.67/ 835 I am not sure of the answer I got confused (´∀`) but I hope it will help