It is algae because it is bacteria and bacteria live and breathe.
Answer:
A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".
Explanation:
Hope this helped.
Answer: Im not completely sure but I believe that is true as they do soemthing similiar in other types of surgeries.
Answer:
it contains iron that gives it the red color when exposed to oxygen