Calcium compounds found in the soil And dissolved it. Since bacteria can not digest calcium compounds. Thus, the deposition of calcium compounds found in the soil or sediment at the bottom of the water. Over time, millions of years turned to stone. Or to be part of the mountain. Life brings calcium utilization as building blocks to achieve such a strong component of the shells, leading to a calcium shell. In the form of calcium carbonate In humans help cause clotting. And assist in nerve conduction Cycle of calcium are associated with the cycle of phosphorus. Because the compound is in the form of calcium phosphate.
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