Answer:
Biomes consists of moving water is estuaries.
D.Use a computer simulation model of the potential forest populations.
If you look at Cosmos episode 1, I'm sure you find an answer there.
For the answer to the question above, I think that <span>the initial titer that has been done to her may have been done too early in the infection that detectable levels of antibody were not present yet so that's why they have to repeat it.</span>