I just took a test in school today. What question was I asked?

Question I was asked: The water in a pond gets colder one night. Which tool is best to observe its temperature change?

I just took a test in school today. What question was I asked?

Question I was asked: What is the first step in designing a product?

I just took a test in school today. What question was I asked?

Question I was asked:
When a thin slice from an onion is viewed through a microscope, lots of little box-like shapes are seen. These shapes are most likely