Constructive interference occurs when the amplitudes of two waves combine to produce a wave with a smaller amplitude. t or f

the answer is true

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)

gold is my favorite solid.