Nature's Bounty Calcium 1200 mg with 1,000IU Vitamin D3, Bone Health & Immune Support, 220 Softgels

Adding calcium to soils can help increase organic matter, trap more carbon

Calcium carbonate reacts with aqueous HCl to give CaCl2 and CO2 according to the reaction, CaCO3(s)  2 HCl(aq) → CaCl2(aq)  CO2(g) H2O(l) - Chemistry | Shaalaa.com

ChemClub - Determination of Carbon dioxide Calcium...

How Does Concentration Affect The Rate Of Reaction?