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?"

Fact: Something invented by Leeuwenhoek is used to see small things by biologists by making them appear bigger.
The device used by biologists to make small things appear bigger was invented by whom?

Fact: mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.
What lacks chlorophyll, making them unable to make food by photosynthesis as plants can?

Fact: mulberry trees shed leaves seasonally.

what do mulberry trees shed seasonally?