Most people have heard Earth referred to as "the water planet." Which is not a source of fresh water? At the current pace, there will not be enough freshwater available to meet global energy needs by 2040. A type of aquifer called an unconfined aquifer is a good source of freshwater wells but can become easily contaminated because pollutants can easily flow into the water. … What is an estuary? Fresh surface-water sources, such as rivers and lakes, only constitute about 22,300 cubic miles (93,100 cubic kilometers), which is about 1/150th of one percent of total water. What does the remainder represent and what are the sources of this percentage . Although rivers and dams are critical for water supply, they contain only 1% of the freshwater. Another important source of drinking water is the surface freshwater. Confined aquifers have layers of impermeable material—aquitards—above and below. There is increasing regional scarcity, though. Which of the following is NOT a major source of freshwater pollution? Unconfined aquifers are not bound by aquitards. With that name comes the rightful image of a world with plentiful water. Increased Frequency of Droughts The world’s changing climate has been linked to an increased incidence of droughts that can greatly diminish freshwater supplies in a region. 12.5% C. 50% D. 99% Subtract the answer from the last question from 100%. Human and animal wastes B. A coastal inlet where fresh and salt water meet. A good example of a man made lake is a quarry lake. Read the passage. Others are man made. The water in oceans is saline and not fresh. In photographs taken from space, we can see that our planet has more water than land. Related Questions & Answers: The Most Suitable Instrument For Measuring The Size Of An Atom Is: What Is Photolysis: What Is The Oxidation State Exhibited By Boron: Industrial wastes C. Wetlands D. Agricultural chemical in 2. Roads C. Farm fields D. Homes E. Factories 3. *A. Lakes are still bodies of (usually fresh) water. They are replenished by the rain and often by rivers and streams, too. Fresh water is naturally occurring water on Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. When land is quarried, a large basin remains cut away from the earth. Alternative waters are sustainable sources of water, not supplied from fresh surface water or groundwater, that offset the demand for freshwater. A. The rainwater ,groundwater and surface runoff are the source of freshwater. Which Is Not A Source Of Fresh Water. Oceans and seas can act as a heat reservoir to regulate climates. We currently use on the order of 960 cubic miles (4,000 cubic kilometers) of freshwater a year, and overall there's enough water to go around. Yet, rivers and lakes are the sources of most of the water people use everyday. 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