Discuss the major contaminants of drinking water.
Answers
Answer:
The chemical substance that include nitrogen, bleach, salts, pesticides, metals, toxins produced by bacteria, and human or animal drugs is called contaminants of drinking water.
Explanation:
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Answer:
Freshwater resources: volume by continent
Glaciers and ice caps cover about 10% of the world’s landmass. These are concentrated in Greenland and Antarctica and contain 70% of the world’s freshwater. Unfortunately, most of these resources are located far from human habitation and are not readily accessible for human use. According to the United States Geological Survey (USGS), 96% of the world’s frozen freshwater is at the South and North Poles, with the remaining 4% spread over 550,000 km2 of glaciers and mountainous icecaps measuring about 180,000 km3 (UNEP, 1992; Untersteiner, 1975; WGMS, 1998, 2002). Groundwater is by far the most abundant and readily available source of freshwater, followed by lakes, reservoirs, rivers and wetlands. Analysis indicates that: - Groundwater represents over 90% of the world’s readily available
Explanation
Nearly half of the world's land surface consists of river basins shared by more than one country. But the situation is particularly acute in Asia, the world's most water-stressed continent. Asia has 47 percent of the global average of fresh water per person, but also has 65 percent of the world's population.
in short we can say that the chemical substances is the major contaminant of drinking water
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