Answer:
A Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.
Explanation:
I did the test.
Answer:
who was the first scientist to discover a cell when observing a tin section of deed cork under a crude compound microscope?
Robert Hooke!
xXxAnimexXx
Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
He had no proof to back up this theory and was rejected by the scientific community. People only found evidence after he died. Please make me brainliest
