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: water vapor condensing in the clouds causes soil to moisten. 
Question: what does water vapor condensing in the clouds cause?

Answer: moist soil.


Question: Fact: animals with calcite shells form large colonies in shallow tropical water. 
Question: Animals with _ form large colonies in shallow tropical water?

Answer: calcite shells.


Question: Fact: moss is the strongest in tropical enviornments. 
Question: Where is moss the strongest?

Answer:
tropical environments.