The part of an atom that has the most mass is Electrons.
Turgor pressure, because the plant cells will not be able to grow and the plant will wilt.
B as the broken down molecules can be made into useful substances for the body
Copper deficiency is a rare disease that leads to hematological disorders. It is an essential trace element. It is an essential part of some enzymes (c0-factor) that plays role in cellular respiration. Copper is also an anti-oxidant that scavenges free radicals. In case of cellular respiration copper is responsible for electron transfer of oxygen.