John and sarah investigates how pupils in their class were the same and different first they measured the length of each pupil’s little finger, why should each pupil keep their little finger straight while it was being measured

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.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

How will you manage your time to accomplish the necessary tasks both on the job and at home?