Whichofthefollowingistrue?

A.Enwave'ssystemissaidtoworkonlyincitieslocatedneartheGreatLakes.

B.ThewaterdeepinLakeOntarioalwaysremainsatthesametemperature.

C.ExpertswarnthattheuseofCFCsinEnwave'ssystemwilladdtoglobalwarming.

D.Torontoisnowsearchingfornewnaturalsourcesofwatertouseinitswatersupply.