One example is war in the country you reside in or excessive non allowing a certain group.
Answer:
1. phytoplankton blooms
Explanation:
- A dead zone is a zone that is created by the presence of the dead and decomposing matter of the plant an abiotic component that depletes the oxygen and thereby creating a thick layer of nutrient-rich deposits in the aquatic environment that does not support the marine and fish life.
- They may result from agricultural, industrial and urban flows. And the changes that occur with the climate changes and the seasonal cycles of the earth. There are four types of dead zones classified on their lengths.
<u>Permanent </u><u>dead zone i.e the rarely exceed 2 milligrams per liter.
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<u>Temporal </u><u>dead zones i.e the short-lived dead zone that lat flour hours a day.
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<u>Seasonal </u><u>dead zones occur annually mostly in the summer months.
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<u>The </u><u>hypoxic </u><u>zone that occurs in the night time.
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The baltic seas, Chesapeake bays, Lake Erie, and the other zone are affected by these blooms of algae and other foreign substances.
<span>The relatively warm waters of the </span>North Atlantic Drift<span> are responsible for moderating the climate of western Europe, so that winters are less cold than would otherwise be expected at its latitude .Water in the </span>north Atlantic<span> sinks because it is dense.</span>
Weather is known over short periods of time and can be inaccurate, climate is figured out over long periods of time and effects a larger area