Answer:
ok, so if an hiv is a virus that attacks the immune system, how does that affect you?
if your immune system is weak in a moment, bad bacteria can enter your blood and cause problems and weaken your immune system even more.
its really bad for a person's health, it weakens your immune system so your body has a tougher time fighting against a virus.
Answer:
B i did that to and got it right!
Answer:
B
Explanation:
This involves selectively breeding two or more populations of a species or subspecies with desirable traits that are wanted by the humans. The offspring of the populations will bear the desired traits from the population. Breeding can be done over generations. An example is the breeding a cattle population that is resistant to drought and another that produces more milk. The filial generations will bear both traits.
This works because the white pain acts as a barrier, therefor the sunlight a bounces off the glass instead of just going through.
True) Blood pressure does affect the blood flow through the circulatory system. Blood pressure is the pressure of circulating blood on the walls of blood vessels.
- R3KTFORGOOD ☕
