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.
Answer:
<em><u>These are all things which affect the envoronment. Trees and fish are natural resources which can help humanity survive. They are affected by winds and weather but also by what we choose to do with them. We often take more than we should which harms the balance in nature. </u></em>
<em><u>P</u></em><em><u>l</u></em><em><u>e</u></em><em><u>a</u></em><em><u>s</u></em><em><u>e</u></em><em><u> </u></em><em><u>M</u></em><em><u>a</u></em><em><u>r</u></em><em><u>k</u></em><em><u>♡</u></em><em><u>♡</u></em>
The correct answer is: <span>B) An Astronomical Unit
</span><span>If I managed to help you, please make sure to mark my answer as the "Brainliest" answer. Thanks! :)</span>
The upper class consisted of the royal family, rich landowners, government officials, important priests and army officers, and doctors. The middle class was made up chiefly of merchants, manufacturers, and artisans. The lower class, the largest class by far, consisted of unskilled labourers.
