instruction:
Given a scientific question, generate a correct answer to it.
question:
Some consumers such as the mushroom get their energy from what?
answer:
dead organic matter

question:
Solar cells create voltages directly from light, while thermoelectric devices create voltage from differences in what?
answer:
temperature

question:
What is the upward force exerted by fluids when any object, such as a boat, is placed in it?
answer:
bouyant force