Which factor plays the most important role in allowing this reaction to occur?
a)temperature
b)concentration
c)pressure
d)surface area

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)

i'm wiling to try and you : )