Pollution

People have long used the sea as a dump for our wastes. Most of the pollution dumped into the ocean comes from human activities on land. Marine pollution is defined as the introduction into the ocean by humans of substance or energy that changes the quality of the water or affects the physical, chemical, or biological environment.

There are different types of pollution. One of them is natural pollutants. An example would be a volcanic eruption which can produce immense quantities of carbon dioxide, methane, sulfur compounds, and oxides of nitrogen. Excess amounts of these substances produced by human activity may cause global warming and acid rain. No one is sure to what extent we have contaminated the ocean.

By the time the first oceanographers began widespread testing, the Industrial Revolution was well underway and changes had already occurred. Traces of synthetic compounds have now found their way into every oceanic corner. Pollutants cause damage......

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Title: The Good News Is
Approximate Word Count: 774
Approximate Pages: 4 (250 words per double-spaced page)

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