What is the wavelength (in nm) of light with a frequency of- ^^ see picture

Frequency =6.75×10^14s^{-1}

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)

yes it is balanced