1.D
2.C
3.A
4.C
5.D
6.C
I am sure for all , so go for that !! If you got any problem, you can tell !!
A because people can't see the seeds.
<span>it <span>would be unable to concentrate.
hope it helps
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Answer:
That won't run out in our lifetime. It can replenish itself naturally.
Explanation:
<span>E. Stimulation of T-cell by APC</span>
The initial exposure of the body to an infectious agent e.g. through a vaccine, triggers an immune response most of which rapidly diminishes after the vaccination. However some cells of the immune system called lymphocytes remain with a memory of that pathogen.As a result, if the same pathogen infects a vaccinated person, the memory cells remember and recognize it and rapidly spring into action triggering a much more rapid response specific to that pathogen than the initial exposure, effectively dealing and neutralizing the pathogen.
