WhatisoneadvantageofEnwave′snewsystem?

A.Itkeepsbuildingsmuchcoolerthanothermethods.

B.Itcanbeusedbylargecitiesanywhereintheworld.

C.Itismuchmoreenergy-efficientthantraditionalsystems.

D.Itkeepswaterfrombeingusedformorethanonepurpose.