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

Question I was asked: Which tool could be used to help someone count the number of ladybugs on a leaf?

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

Question I was asked: Which of these is the most common result of greenhouse gases altering the atmosphere of Earth?

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

Question I was asked:
Which of these is a way the people of Virginia can help restore a natural ecosystem?