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Investigation of water pollution; comparison of water entering and
leaving Newquay zoo.

Many causes of pollution contain nutrients such as nitrates and
phosphates. In excess levels, nutrients over stimulate the growth of
aquatic plants and algae. Excessive growth of these types of organisms
consequently clogs our waterways, use up dissolved oxygen as they
decompose, and block light to deeper waters.
This is harmful to aquatic organisms as it affects the respiration
ability or fish and other invertebrates that reside in water.

Pollution is also caused when silt and other suspended solids, such as
soil, wash off ploughed fields, construction and logging sites, urban
areas, and eroded riverbanks when it rains. Under natural conditions,
lakes, rivers, and other water bodies undergo Eutrophication, an aging
process that slowly fills in the water body with sediment and organic
matter. When these sediments enter various bodies of water, fish
respiration......

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Approximate Word Count: 284
Approximate Pages: 2 (250 words per double-spaced page)

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