Serch it up might have some answers on there:)
Answer:
A
Explanation:
I know this because I just took the test and got it right.
Uh you might want to go to the doctor.. I don’t think that’s normal...
This mechanism allows killer T-cells to hunt down and destroy cells that are infected with germs or that have become cancerous.
The other main type of T-cells are called helper T-cells.
Helper T-cells orchestrate an immune response and play important roles in all arms of immunity.
Answer:
The population increases at a rate of approx. 0.70% per year.
Explanation:
The population (P) as a function of time (t) is as follows:
![P = P_0(1 + i)^t.](https://tex.z-dn.net/?f=P%20%3D%20P_0%281%20%2B%20i%29%5Et.)
Given that the population doubles in 100 years, let's calculate
:
≅
%