Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment. What are the possible causes of water pollution, and what effects does this have on animal life and human society?

Water

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contamination is a serious form of

pollution

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that can lead to adverse effects

such

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as drought, aqua erosion and contamination of marine ecology.

This

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essay will identify the possible

cause

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and effects of

water

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contamination.

Firstly

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, the main

cause

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of

water

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pollution

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is the direct disposal of industrial activities. Numerous industries have been discharging toxic chemical compounds

such

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as metallic sulfides or cyanides. When being introduced into lakes, rivers, and seas without filtration, these toxic wastes poison

animals

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and plants,

consequently

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destroy the ecosystem. Even when the industrial

waste

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is buried in the ground, it can still permeate the soil to pollute the underground

water

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,

thus

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begin the process again.

Secondly

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, another

cause

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is due to overcapacity of landfills. The poor

waste

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management inland leads the

waste

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to be thrown in seas. Without the recycling process, the plants of the sea could be damaged,

hence

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seas

animals

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would consume the

waste

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accidentally.

For instance

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, a year ago a shark was found dead on the beach of Bali. People found out that there were many plastics inside the shark.

Last

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but not least, the other

cause

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is the

oil

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spill. A disaster happens if crude

oil

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is leaked from a petroleum tanker, which is

also

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a reason for sea

pollution

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. Most marine

animals

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cannot digest

oil

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, or cleanse the spilling

oil

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on their feathers.

Therefore

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, they will die soon unless there are human interventions. The spill

also

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adversely affect seawater, which damages the tourist industry of coastal regions. To summarize,

water

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pollution

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is mostly the result of

oil

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spills and industrial or human

waste

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disposal. It severely affects the environment and

subsequently

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the life of

animals

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and humans.