What factor is a characteristic of passive transport

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 enzyme is most important for dna replication and why?

Examine the air pressure map. which type of line is shown on the map?