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In caves carbon monoxide can build up in enclosed chambers due to the presence of decomposing organic matter. [87] In coal mines incomplete combustion may occur during explosions resulting in the production of afterdamp. The gas is up to 3% CO and may be fatal after just a single breath. [75]
Other natural sources of CO include volcanoes, forest and bushfires, and other miscellaneous forms of combustion such as fossil fuels. [36] Small amounts are also emitted from the ocean, and from geological activity because carbon monoxide occurs dissolved in molten volcanic rock at high pressures in the Earth's mantle . [ 37 ]
Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients.It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters), in which excess nutrients, usually nitrogen or phosphorus, stimulate algal growth. [1]
10 Common Foods That Can Be Poisonous. Fruits, vegetables, seeds and beans are all essential parts of a well-balanced and healthy diet, but if these health gems are not consumed properly, they ...
Cyanobacteria (blue-green algae) bloom on Lake Erie (United States) in 2009. These kinds of algae can cause harmful algal bloom. A harmful algal bloom (HAB), or excessive algae growth, is an algal bloom that causes negative impacts to other organisms by production of natural algae-produced toxins, water deoxygenation, mechanical damage to other organisms, or by other means.
Water poisoning, also known as water intoxication, is a real thing, and it can be deadly. Awareness of water poisoning has increased recently, thanks to a series events that have also called into ...
A Boar’s Head deli meat plant in Virginia tied to a deadly food poisoning outbreak repeatedly violated federal regulations, including instances of mold, insects, liquid dripping from ceilings ...
Humans can access the water that collects in an aquifer by building wells to pump the water to the surface for use. About 40% of drinking water in America comes from groundwater sources. [ 15 ] When contaminants enter aquifers, the pollution spreads, eliminating the potential to use the aquifer for drinking water.