Tenzin was prescribed an oral sulfonylurea. sulfonylurea drugs work by stimulating beta cells to secrete insulin. before examining how these drugs work, let's review normal insulin secretion. review the signaling mechanisms by which elevated blood glucose results in insulin secretion.

d. planting trees

the trees take in carbon to make oxygen.

(nitrogen fixation) will be your answer sorry if im wrong

i'm thinking 600 feet deep in one of the finger lakes.

the species living around the vents are especially good at dispersal.  

deep-sea vent originates on the floor of the ocean when seawater circulates through hot volcanic rocks, usually situated where the new oceanic crust is being produced.  

biological dispersal refers to the movement of species from their location of birth to their site of breeding, or from breeding site to another. similarly, the oceanic dispersal refers to the movement of the species from one land mass to another by sea crossing.