Answer:
Microscope
Explanation:
The discovery of cells arose from the development of the microscope: Robert Hooke first used the term “cell” following his observations of a piece of cork with a simple light microscope in 1665
b
Explanation:
Cause a process happens molecules and the membranes
1) put some form of lubrication like oil or water in front of the block so that it can slide easier.
I’m not sure about the second one sorry x
