The organic chemicals that help cell membranes to conserve internal fluids are

The graph represents the gravitational attraction between two equal masses vs. their distance apart, which statement best describes the information presented by the graph? a) distance is only a factor in space, not on earth. b) gravitational attraction is directly proportional to distance. c) gravitational attraction is inversely proportional to distance. d) gravitational attraction is not related to the distance between objects.

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures