'Deep ground water' presentation slideshows

WELCOME to the 21 ST CENTURY!

WELCOME to the 21 ST CENTURY!. 50% of the water humans use domestically comes from ground water; the other 50% comes from surface water, primarily streams and rivers. ~90% of agricultural and industrial water comes from streams and rivers There is plenty of water, but Nobody uses ice!.

362 views • 19 slides

Subterranean removal of Fe and Mn in deep ground water

216 views • 12 slides

DESERT Ecosystems

DESERT Ecosystems. Deserts cover more than one fifth of the Earth's land, and they are found on every continent. A place that receives less than 10 inches (25 centimeters) of rain per year is considered a desert.

245 views • 11 slides