This catastrophic event hit Sumatra in 2004 and again in 2005, destroying huge amounts of property and killing thousands of people. It is an event generated by earthquakes. It is a A) tsunami. B) tornado. C) hurricane. D) water spout.

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)

answer carbon and three oxygen atoms;