Help plz and can you plz use terms

in theory, limestone is composed principally of the compound calcium carbonate - caco3, but in reality this compound is deposited in conditions involving a number of other compounds as impurities so it ends up being a mixture of many compounds.

hope this : -)

tony (lordcaos066)

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being