What molecules make up membranes of cells and organelles

cellular membrane

Explanation:

cellular membranes — including plasma membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .