The helpful bacteria and The pH balance
You should test your hypothesis.
Choice 1 protons and neutrons, not electrons because they are in the outside circling it
Kingdom Plantae includes all the plants on the earth. They are multicellular, eukaryotes and consist of a rigid structure that surrounds the cell membrane called the cell wall. Plants also have a green coloured pigment called chlorophyll that is quite important for photosynthesis.