Some children wanted to find out how overcrowding can affect plant growth. They took four pairs of plants, A, B, C and D, as shown here and kept them at the same location. Each pot is given the same amount of water each day. Which pair of plants will give the correct result of their experiment?
in option C the amount of soil is the same but in the first pot there are less flowers and in the other pot there are more flowers and they both havegood soil