I believe the answer is C because the first two are mechanical hazards and C mentions plug which is electrical.
Filtration is a method for separating an insoluble solid from a liquid.
For every 1 mole of C6H12O6, you need 6 moles of water. Multiply the 2.5 moles you are trying to make by the 6 of water you need, and 4) 15 is your answer.
The answer is D.timber good luck
