Answer
Accelerates algal growth and reduces oxygen.
Explanation eutrophication is the nutrient induced increase in phytoplankton productivity.
<span>The greenhouse effect increases temperatures on Earth. ... of the planet's heat that would otherwiseescape from the atmosphere out to space. ... The difference between the Earth's actual average temperature 14° C (57.2° F) and ... of the sun's energy with greenhouse gases such as carbon dioxide, methane, ... Water vapor.</span><span>
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I would say C. because a lot of people settled there.
<em>Jet Streams.</em>
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<em>Hope it can help !!!</em>
Austria, Germany's south-eastern neighbor