answersLogoWhite

0

Calcium Carbonate(CaCO3)

Egg shell(80-95% CaCO3), plus phosphorus and magnesium, and

trace amounts of sodium, potassium, zinc, manganese, iron, and copper.

Sea shell

Interestingly, the accumulations in lime stone are very important

to olive trees(roots ~4ft deep) ... live for ~3 thousand years.

In humans, the deficiency of calcium, is attributable to over 140 diseases.

User Avatar

Wiki User

12y ago

What else can I help you with?