Students are complaining a table about a particular subatomic particle that make up an atom

ok whats the question if not i cannot you i need question and need a thing to answer

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)