Answer:
A. Runoff of artificial fertilizers
Explanation:
The excessive inclusion of nutrients in the water which adversely affects the life in the water bodies is known as eutrophication. The increase in the disposition of the effluents depletes the water bodies and decrease the oxygen content in the water. It is because of this reason that there is an increase in the production of biomass. The balance of the ocean ecosystem is effected adversely. Eutrophication is a major threat to the marine ecosystem.
Answer:
A
Explanation:
Ethnic Russians are a part of a larger ethnic group known as the Poles, but also includes the Serbs, Ukranians, and other eastern Europeans.
When producers engage in cartel-like behavior, they attempt to mimic the behavior of <u>a monopoly</u>.
A producer is a person liable for finding and launching a challenge; arranging to finance; hiring writers, a director, and key contributors of the creative crew; and overseeing all elements of pre-manufacturing, manufacturing, and submit-production, right as much as launch.
The folks that do the selling and shopping are producers and customers. manufacturers create, or produce, items and provide services, and purchasers buy the one's goods and offerings with cash. Most people are both producers and customers.
Some examples of producers in the food chain encompass green flowers, small shrubs, fruit, phytoplankton, and alga.
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