instruction:
Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.
question:
Fact: erosion forms canyons. 
Question: What are formed by erosion?
answer:
canyons.


question:
Fact: Snails reproduce sexually. 
Question: Which of the following organisms would reproduce sexually and not asexually?
answer:
snail.


question:
Fact: A plant's skin helps prevent water loss, abrasions, infections, and damage from toxins. 
Question: What does a plant's skin do?
answer:

prevents water loss.