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?"

[EX Q]: Fact: petroleum is formed from dead organisms over time.
[EX A]: What forms petroleum over time?

[EX Q]: Fact: female echidna lack a uterus and vagina.
[EX A]: what females lack a uterus and vagina?

[EX Q]: Fact: dogs can learn behavior that is intended to cause harm or pain.
[EX A]:
What can learn behavior that is intended to cause harm or pain?