In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

[Q]: Question: Many animals that give birth to live young have? Answer: skin.
[A]: live birth means developing inside the mother instead of an egg


[Q]: Question: Sound can be used for communication by? Answer: creatures.
[A]: sound can be used for communication by animals


[Q]: Question: It is very difficult for carrots to grow in? Answer: adobe.
[A]:
the looseness of soil has a positive impact on a plant 's roots' growth in that soil