Does the oxygen that exits photosynthesis enter as CO2? Explain.

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.

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.