Answer:
A. Your friend turns around and you only see her back, but you still recognize her.
Explanation:
I majored in Health
<span>A pathogen exists in the ground air and living thing but does not need them to live or reproduce. It can be a virus, protozoa, parasite, fungus, or bacterium which can cause infection to human. Some pathogens lead to the disease called malaria which is from a bacteria that released toxins in the body. However, our white blood cells can destroy these pathogens.</span>
Answer: Vector
Explanation: the bite of an infected organism may transmit the pathogen from its reservoir to a human
