Answer: A. scrutinize
Explanation: The definition of scrutinize is :examine or inspect closely and thoroughly. This is exactly is what is being done when using a microscope.
Hope this helps :)
the loss of someone or something
1. Cap
2. Ate
3. Mad
4. Ham
5. Cape
6. Rake
7. Bag
8. Made
9. Make
10. Back
Bill tells Tessie to shut up when she complains about the lottery