Most water is reabsorbed from the filtrate in the
a. proximal convoluted tubule
b. descending loop of henle
c. ascending loop of henle d. distal convoluted tubule

The answer is B. descending loop of henle.

Explanation:

Most of the filtrate water is reabsorbed at the level of the DESCENDING LOOP OF HENLE. This branch has a wide cortical zone and an extreme spinal cord; It has low permeability to ions and urea, but is very permeable to water; there are a few channels of aquapurine type 1 that absorb 20% of the filtered water.

In my opinion I think viruses can be cured. Due to the fact people found cures to them so I think they can cure viruses.