The three main sources of water are surface water (rivers, lakes, and oceans), groundwater (aquifers), and precipitation (rain and snow).
The three main sources of oxygen are photosynthesis by plants and algae, oxygen released during the breakdown of water molecules, and oxygen produced by phytoplankton in the oceans.
Natural sources of pure water include springs, glaciers, and rainwater. These sources typically have not been contaminated by human activities and provide water that is free from pollutants and chemicals. It is important to note that even water from natural sources may require testing to ensure it is safe for consumption.
Chlorine can enter fresh water sources through discharges from industrial activities, wastewater treatment plants, and agricultural runoff. It can also enter water sources through the use of chlorine-based disinfectants in water treatment processes.
Chlorine can enter fresh water sources through the process of chlorination, where chlorine is added to the water as a disinfectant to kill harmful bacteria and pathogens. It can also enter fresh water sources through industrial discharges and runoff from areas where chlorine-based products are used or produced.
Common sources of chloroform in well water include industrial runoff, agricultural activities, and septic tank leakage. Chloroform is a byproduct of water disinfection, and may also be present due to the breakdown of organic matter. Regular water testing can help identify and monitor chloroform levels in well water.
rivers
There are some natural sources of water available. Three of them are lakes, water tanks, and springs. Water is necessary for the survival of both humans and animals.
Urine saliva tears of orphans theres only 3 sources
Evaporates condenses and precipatates
The main sources of fresh water are as follows : 1) Rain 2) Ground water 3) rivers 4) ponds 5) lakes etc.
steam, electricity, and water
sun,wind and water pranav
oil,garbage,and recycle items
Sources Complete subject is 'sources of water'
earths water- saltine (oceans) 97% fresh water 3% fresh water- ice caps and glaciers 68.7% ground water 30.1% surface water .3% other .9% fresh surface water- rivers 2% swamps 11% lakes 87%
he had water sources from islands he stopped on
it is called the water cycle