Gases expelled from the rear of a rocket push the rocket in the direction in relation to the gases.
a. same
c. lateral
b. neutral
d. opposite

The answer is d. opposite  if you remember you should have learned equal and opposite reactions, if you have gases pushing down out of the rocket they will in turn propell the rocket in the apposite direction of the thrust

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.