The earth's water circulatory system is known as.

Related MCQs

• The sanitation system in which a small portion of storm water is allowed to enter in the sanitary sewage sewers and the remaining storm water flows in separate set of sewers, is known as
• If the level of source of water is higher than that of the place of consumption, the system adopted for supplying water is
• The water obtained from a lake is known as surface water.
• The most important source of water for public water supply is
• The presence of calcium and magnesium bi-carbonates in water causes hardness in the water.
• In designing a water works for a city to meet the water demand for public use, a provision of about
• The water supply system means
• A reflux valve, in water distribution system, is used to
• A sluice valve, in water distribution system, is used to
• In one pipe system of plumbing, waste water is carried away from