The diffusion of water across a selectively permeable membrane is

If vegetable oil is made out of veggies, then what is baby oil made out of?

List charasteristics of athenosphere

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.