The answer would be: <span>A viral load of 1,200 copies/mL
</span>
Viral load determines the number of HIV virus that can be found in every mililiters of blood. More virus means more risk of <span>transmission</span>. A vaginal delivery will cause much more blood than cesarean delivery. The contact of the blood and the baby cause vaginal delivery is more dangerous than cesarean.
The difference in concentration between solutions on either side of a cell membrane is a concentration gradient.
In the field of biology, a concentration gradient can be described as a difference in the concentration of molecules inside and outside of a cell. It is due to concentration gradient that molecules move into and out of a cell through the cell membrane.
Some molecules move from an area of higher concentration gradient to an area of lower concentration along the concentration gradient. Diffusion is an example of such a process.
On the other hand, some molecules move from an area of lower concentration to an area of higher concentration against the concentration gradient. Active transport is an example of such a process.
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Answer:
About composition of water and organisms that lives there.
Explanation:
scientists might be able to learn about the composition of seawater that was present millions of years ago if we study those stones that comes in contact to that ancient seawater because the traces of particles still present on it. This study provides valuable information about ancient times of earth and its natural resources. These rocks also provides animals that were present in that sea water at that time.
The answer is
B........................................
Because their jobs required them to set all day.