Turn the given fact into a question by a simple rearrangement of words. This typically involves replacing some part of the given fact with a WH word. For example, replacing the subject of the provided fact with the word "what" can form a valid question. Don't be creative! You just need to rearrange the words to turn the fact into a question - easy! Don't just randomly remove a word from the given fact to form a question. Remember that your question must evaluate scientific understanding. Pick a word or a phrase in the given fact to be the correct answer, then make the rest of the question. You can also form a question without any WH words. For example, "A radio converts electricity into?"

Example Input: Fact: Animals carry seeds which is positive for the plant to grow elsewhere.
Example Output: Why is it good for animals to carry seeds?

Example Input: Fact: Viruses contain Deoxyribonucleicacid but not much else.
Example Output: What do viruses contain?

Example Input: Fact: Insects sometimes change population size by moving from one place to another.
Example Output:
When insects move from one place to another, this usually causes?