The water bearing layer of the earth is called 

Which of the following is not an effect of acute scarcity of water on plants? 

The minimum amount of water recommended by the United Nations per person per day is

Roots respire through 

Chemical used to disinfect water. 

World water day is on 

Which natural process continuously converts some of the saline sea water into freshwater? 

Inorganic impurities present in waste water

Which one of the following alter the natural flow of rivers leading to water scarcity. 

The water - bearing layer of the earth is called