You are presented with the quiz "Adding sodium chloride to a solid does what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adding salt to a solid decreases the freezing point of that solid" and "salt is sodium chloride". So, what's the best answer to the question?
Pick your answer from: A. chemical reaction. B. decreases the freezing point. C. a hemisphere is tilted away from the sun. D. heat production. E. reusing materials. F. water conservation. G. It gets heated up. H. massive damage.
Answer:
B.