Answer:
Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Explanation:
I believe it’s a, as the waves increase the infrequently decreases
I’m going through a few minutes to see what I have done
Substrate binds to an enzyme to form ENZYME-SUBSTRATE COMPLEX.
