A.) the reaction is exothermic and absorbs energy B.) the reaction is exothermic and releases energy
C.) The reaction is endothermic and absorbs energy
D.) The reaction is endothermic and releases energy

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

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: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.