Do you need to know the mass of the moving object to calculate the amount of work?

b. read the phase at the intersection of any given temperature and pressure.

i think the answer would be d

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.