What variable did the experimenter change (independent variable), and what variable did the experimenter observe (dependent variable)?

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.

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

What molecule contains an organisms genetic material, passed down from parents to their offspring