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polet [3.4K]
3 years ago
8

Explain how economic activities have led to air, water, and land pollution

Geography
1 answer:
docker41 [41]3 years ago
3 0
 Air pollution problems such as smog and acid rain result from the presence of, and interactions among, various air pollutants released to the atmosphere through natural processes and human activities. Natural sources of air pollution include forest fires, volcanoes and emissions of volatile organic compounds <span> from vegetation. Human sources of air pollution include activities that rely on carbon-based fuels, for example, </span>transportation<span>, </span>electric utilities<span>, industrial processes such as </span>oil and gas production, as well as certain products, such as paints and solvents. Deforestation carried out to create dry lands is one of the major concerns. Land that is once converted into a dry or barren land, can never be made fertile again, whatever the magnitude of  measures to redeem it are. Land conversion, meaning the alteration or modification of the original properties of the land to make it use-worthy for a specific purpose is another major cause. This hampers the land immensely. Also there is a constant waste of land. Unused available land over the years turns barren; this land then cannot be used.<span>Agriculture disrupts all freshwater systems hugely from their pristine states</span> 
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Frost weathering is a collective term for several mechanical weathering processes triggered via stresses created by using the freezing of water into ice. The term serves as an umbrella term for a ramification of techniques which include frost shattering, frost wedging and cryofracturing.

Frost wedging takes place while water filling a crack freezes and expands (because it freezes, water expands 8 to 11% in volume over liquid water). The expanding ice imparts a extremely good amount of pressure against the rock (as plenty as 30,000 kilos/rectangular inch) and wedges open the crack.

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Learn more about Frost wedging here : brainly.com/question/2244287

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