This is the loss of water from the leaves of a plant. example: it is what pull water from the roots through the xylem of a plant.

Ibelieve the correct answer is "b.)  increased pressure to increase solubility"hope this , let me know if i was correct.

The nature of the pollutant is that is will be accumulated in the higher trophic level. this phenomenon is called biomagnification. this explains why shark and tuna has a high level of mercury.let say that the number of pollutants  accumulated is highest at species c, medium at species a and lowest at species b.then, species b would be the producer because it accumulates the lowest toxin. species a is the primary consumer(herbivore). species c is the secondary/tertiary consumer(carnivore).