The correct option would be c.
Answer:
Cell theory states that living things are composed of one or more cells, that the cell is the basic unit of life, and that cells arise from existing cells.
Explanation:
<span>A effect mutation can have on viruses is If a virus mutates then it may change its shape making ti able to bind to the cell and enter into the cell.</span>
A, it takes years upon years for a glacier to move even a few feet.