Answer:
Mitosis fixes old cells. It replaces it with new ones
Explanation:
please give me brainliest
Virus are made with ADN or RNA only, which both of them has the information of replication. Once that the virus is in a cell, this ADN or RNA will be deposit inside the cell at the replication system that is going to make the virus reproduce unlimited times until the membranes of the cell break down. And they are useful because you can use them as a carrier or vector for treat diseases or for transgenics, bioterrorism, and so on.
The answer is B because viruses don't need to be fed.
The second one probably because of the law of conservation of mass where mass is not created or destroyed, so the mass has to be the same.
Answer:
It tells us the polarity of the water.
