Marine Pollution involves the introduction into the ocean by humans of substances or energy that changes the quality of the water or affects the physical, chemical, or biological environment.
Chemicals and debris, the majority of which originates on land and is dumped or blown into the water, make up marine pollution. The ecology, the health of all living things, and global economic institutions are all harmed by this pollution.
In the modern world, marine pollution is becoming a bigger issue. Chemicals and rubbish are the two main sources of pollution in our ocean.
Chemical contamination, often known as nutrient pollution, is problematic for the environment, human health, and the economy. This kind of pollution happens when human activities, particularly the application of fertiliser on farms, cause chemical runoff into waterways that eventually empty into the ocean.
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Drought and desertification are closely related phenomena. Persisting over months or years, drought can affect large areas and may have serious environmental, social and economic impacts. While drought is a natural phenomenon, whose impacts can be exacerbated by human activities that are not adapted to the local climate, land degradation is the process of turning fertile land into less or non-productive land. In extreme cases in drylands this is called desertification. Land degradation and desertification are complex phenomena driven by un-adapted human activity in combination with land and climatic constraints. Inappropriate land use, such as monocultures, and unsustainable land management practices, such as deforestation, unsuitable agricultural practices and overexploitation of water resources), can cause land degradation that can be further aggravated by drought.
Fractional Crystallization
Answer:
The amount of tectonic activity along the margin
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Explanation:
<u>Margins are categorized as passive when the tectonic activity along it is poor.</u> This is manifested through rare to non-existent <em>earthquakes</em> and <em>volcano eruptions</em> in the area.
On the other hand, <u>active margins are characterized by frequent tectonic activity.</u> This means <em>mountain formation, earthquakes, and volcano activity</em> are not strange here.
Two thirds of rice is grown in Asia. China, Bangladesh, Thailand, Indonesia, Cambodia, India, Myanmar, Pakistan, Korea, Japan, Vietnam and the Phillipines all account for 87% of the worlds total rice production.
