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: During a prolonged shortage of water, a tree's ability to add extra tissue and grow thick rings is slowed and the tree produces? Answer: thinner growth rings.
[A]: as the amount of available water decreases , tree-growth rings will become narrower


[Q]: Question: If a species of plant or animal ceases to exist on earth, either by natural causes or by activities of humans, the loss of the plant or animal? Answer: cannot be undone.
[A]: if all members of a species cannot produce offspring then that species will likely become extinct


[Q]: Question: Advances in food transportation lead to? Answer: greater variety of foods in remote areas.
[A]:
as ability to transport food increases around the world , the available types of food in distant locations will increase