Answer:
The invention of the microscope led to the discovery of the cell by Hooke. While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory.
Explanation:
hope this helped you sorry if it did not
I believe that would be irritability.
B, because in all truth and honesty, stress is truly inevitable. Also, use process of elimination. I hoped that helped :)