How do sharks blend with the ocean?

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

What drives an advertising campaign?