Which is a negative effect of rising ocean temperatures? the drying out of fertile land and the formation of dust bowls
the flooding of low-lying coastal areas
the faster evaporation of water in the soil
the decreased frequency of major storms

Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3·xh2o; you should do this also. round your answer to the nearest integ