instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
The mass remains the same does burning matter affect its mass.
answer:
How does burning matter affect its mass?


question:
Temperature and ph level are important in the activity of an enzyme.
answer:
Temperature and what other environmental factor are important in the activity of an enzyme?


question:
Hormones send signals through your body.
answer:
Hormones send what through your body?