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.

Q: Fact: An object's shape can be changed by removing material. 
Question: What is one way an object's shape can be changed?

A: removing material.
****
Q: Fact: bears hibernate to conserve energy. 
Question: Why do bears hibernate?

A: conserve energy.
****
Q: Fact: Sediment moved downstream by water can create nesting habitat. 
Question: What type of habitat can be formed by sediment moved downstream by water?

A:
nesting.
****