Leukemia<span>disease of the blood characterized by the overproduction of leukocytes kills white blood cells </span>
Answer:
the blue one! the maximum amount a person can carry
I think you forgot to give the options along with the question. I am answering the question based on my knowledge and research. <span>The lowest level of environmental complexity that includes both living and non living factors is the ecosystem. I hope that this is the answer that has come to your desired help.</span>
It serves as a barrier to biological activity.
