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.

Fact: Taste and smell have a positive impact on  an animal's survival. 
Question: What has a positive impact on animal's survival?
taste and smell.

Fact: an automobile engine transforms chemical energy into sound. 
Question: an automobile engine cn transforms chemical energy into?
sound.

Fact: Flowers are the major crop that needs protecting by keeping them warm. 
Question: what are the major crop that needs protecting by keeping them warm?

Flowers.