Calcium was used thousands of years ago. No one knows who first discovered it. Source: http://www.chemistryexplained.com/elements/A-C/Calcium.html
It gives the product as calcuim-sulphate.
no its not
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Yes
Yes
Yes.
Calcium is not ductile.
No .
No. Calcium is a mineral.
mineral
calcuim
Kiwi's are very nutritious