What are the main source of fresh water?
Over 68 percent of the fresh water on the Earth is found in icecaps and glaciers, and just over 30 percent is found in ground water. Only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers and swamps.
What do they add to tap water?
Chlorine
Do they put chemicals in water?
All water has chemicals and other impurities. The water coming through your taps at home is treated with chemicals for a variety of reasons. Water treatment plants use these chemicals to make the water safe to drink. Many of these chemicals fight off bacterial blooms and other possible diseases.
What are the two major sources of water?
There are two main sources of water: surface water and groundwater. Surface Water is found in lakes, rivers, and reservoirs. Groundwater lies under the surface of the land, where it travels through and fills openings in the rocks.
What are the four water sources?
4.3 Sources of water. Our main sources of water for drinking, washing, agriculture and industry are surface water, groundwater and collected rainwater, all of which are dependent on rain and snow falling on the Earth’s surface.
What is the purpose of evaluating sources?
Evaluating information sources is a important part of the research process. Not all information is reliable or true, nor will all information be suitable for your paper or project. Print and Internet sources vary widely in their authority, accuracy, objectivity, currency, and coverage.
What are the six sources of water?
These are the different types of water sources around the globe and how they each play a role in what comes out of your home’s sink.
- Surface Water Resources.
- Groundwater Resources.
- Stormwater Resources.
- Wastewater Resources.
- Saltwater Resources.
- Ice Cap Water Resources.
What sources of information can you use for research?
Your research resources can come from your experiences; print media, such as books, brochures, journals, magazines, newspapers, and books; and CD-ROMs and other electronic sources, such as the Internet and the World Wide Web. They may also come from interviews and surveys you or someone else designs.
What is a source for writing?
A source is the place where you gained information used in your writing. A source can be a printed document, an online document, a speech, a quote or even a television or radio program. The best sources are those in which your reader can go back and verify for themselves the information you utilized.
What do we mean by evaluate a source?
Source evaluation is the process of critically evaluating information in relation to a given purpose in order to determine if it is appropriate for the intended use.