The three most common elements are oxygen, carbon, and hydrogen
The weathering process occurs when rocks are exposed to the hydrosphere (water) and atmosphere (air).
<span>1. Smooth functioning of nerves-Calcium is key in helping nerves transmit messages across cells in the body.
2. Clotting of blood-Calcium helps in the clotting function of blood
3. Aids the contraction of muscles-Our muscles make use of calcium to aid them in contracting during the course of normal muscle functions.</span>