Smog: a mixture of smoke and fog.
Acid rain: moisters that falls to Earth after being mixed with waster from burned fossils fuels
Desalination: Getting fresh water from seawater.
Water cycle: The continious movement of water between Earth surfae and the air,the water cycle dont finished.
Groundwater: Water that seeps into the ground into spaces between bits of rock and soil.
Water Table: The top of the water-filled spaces in the ground.
Aquifer: An underground layer of a rock or soil filled with water.
