Through which microscope were cells first observed? simple microscope tunneling microscope compound light microscope electron microscope

Answer;

-Simple microscopes

Explanation;

-Microscope is an instrument for producing a magnified image of a small object. There are many types of microscopes, ranging from simple, single-lens instruments to compound microscopes and high-powered electron microscopes.

-Robert Hooke fine-tuned a compound microscope equipped with a course and fine focus. Robert Hooke improved the microscope, too, and explored the structure of snowflakes, fleas, lice and plants.

the answer would be..

b. sucking