instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
If a gas in a closed area experiences increases in pressure and decreases in temperatures, the volume of the gas will be affected.
answer:
If a gas in a closed area experiences increases in pressure and decreases in temperatures, what other attribute of the gas will be affected?


question:
Destructive interference in waves occurs two troughs what things overlap.
answer:
Destructive interference in waves occurs when what things overlap?


question:
Plants face two types of enemies: herbivores and pathogens.
answer:

Plants face two types of enemies: herbivores and what else?