19 Rain water touches the ground and immediately soaks into the ground is referr

Question

19 Rain water touches the ground and immediately soaks into the ground is referred to as a. capillary action b. the "soaking in process c. infiltration d. gravitational water 20 Which of the following statements is true? After a suburban area undergoes intensive development with houses, roads, malls etc! The decreasing infiltration can frequently result in a b springs and wells may go dry in that area a drop in the water table may occur in that area c d e all of the above are true. an increase in flooding may occur in that area some freshwater wetlands in that area may dry up -for their water needs 21 a capillary water b C d aquifer water Forthe most part, plants (vegetation) in a natural setting draw upon, gravitational water the water table vadose water 22 a b "Subsidence" can occur because an accumulation of silt that builds up behind a dam and sinks to the bottom withdrawn ground water leads to a loss of hydrostatic pressure in the aquifer c d salt water meets fresh water in an aquifer and the fresh water is pushed downward when farmers receive money for installing water conserving devices none of these e. 23 The name of the process whereby water flows through the ground or through a landfill and dis materials such as minerals and heavy metals such as lead which go to lead ions is known as a. chemical adsorption b. percolation c leaching d a chilation effect e. dilution solves 24 The drastic impact from the rapid rate of ground water withdrawal in the Ogallala Aquifer may probably cause a higher beef prices b many farmers to go out of business c possible changes in the type of crops grown d higher water prices e. all of the above Dry Land Farming refers to the planting of new hybrid crops that require little or no water irrigation water the use of less land with increased irrigation water to grow crops 25 a. b. c. the use of more land with little or no irrigation water to grow crops d. the drainage of wetiand areas such as swamps for farming because of the new dry soil e. a method to stop erosion with the planting of legumes in arid (dry) areas 26 Water taken from a river by an electric power plant is used to cool the boilers and then all the water is returned to the river. This is called a a Consumptive b. Non consumptive c. Adiabatic d. Hydro-push e. Tidal -push use of water 27 Most of the fresh water used in the world is used for a. industry b drinking c. agriculture d flushing toilets e. electric power generation

Explanation / Answer

19)  Rain water touches the ground and immediately soaks into the ground is referred to as infiltration. Infiltration is the process by which water on the ground surface enters the soil. Infiltration is caused by two forces: gravity and capillary action.

20) the decreasing infiltration frequently occur in springs and well may go dry in that are, water table also decreases in that area,chances of flooding also increases if any river present in that area and wetland also dry.

21) For the most part, plants (vegetation) in a natural setting draw upon Capillary water for their water needs.water that remains in the soil after gravitational water is drained out, that is subject to the laws of capillary movement, and that is in the form of a film around the soil grains.

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