Answer:
Bacteria are singled celled. they can reproduce but be careful they have energy and causes from other sources. Virus arent considered living or alive, but they can live for so long and can affect others really fast.
Answer:
I think its different types of food, which is a.
Home fires are caused by mostly lack of observance. That’s my guess... sorry if this is not what you are looking for
Abnormality of the White Blood Cells
