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Read the following scenario and answer the questions below.
Diets that incorporate seafood can be healthy for us and kind to the environment. However, all seafood is not comparable, so choice is important. Mollusks such as oysters, mussels, and scallops are good choices if they are grown suspended in water, because dredging for these mollusks damages seafloors. On fish farms, this involves growing organisms on nets, trays, or racks. Because mollusks are filter feeders, farmed mollusks can actually improve water quality. Although shrimp are also filter feeders, shrimp farms, especially in Southeast Asia, are often built in coastal areas where mangroves are destroyed to make room for farms. As long as excessive quantities of grain or wild fish are not used for feed, aquaculture can be a very good alternative to open ocean fishing because it can reduce bycatch, the pressure on wild stocks, and the fossil fuel use required at sea. Exceptions are farms that raise transgenic salmon, which often spread disease, or where the farmed fish become oversized and outcompete the native fish. These salmon consume massive quantities of fish feed, so better fish choices are farm-raised talapia, striped bass, and sturgeon.
In the wild, Pacific halibut, salmon, sablefish, and sardines are good choices because they are fished selectively. Wild grouper, shark, swordfish, tuna, and orange roughy must be consumed cautiously because water they inhabit usually contains high levels of mercury, PCBs, dioxins, or pesticides, which can biomagnify in food webs and bioaccumulate in fish tissues. Wild Chilean sea bass, Atlantic cod, and Atlantic halibut should be avoided because their populations have been overfished. Orange roughy have been overfished, reproduce slowly, and are fished with bottom-trawlers that frequently damage bottom habitat.
-Which of the following is not characteristic of currents?
Eugenics
A controversial and discredited social philosophy advocating for the improvement of human genetic traits through selective breeding and other means, historically leading to unethical practices.
Anti-immigration
Opposition to immigration, often based on fears of economic competition, cultural difference, or security concerns, leading to policies or attitudes that restrict or discourage people from moving to a new country.
Race Betterment Foundation
An early 20th-century American eugenics-based organization aiming to promote racial purity and health through selective breeding and other means.
Tulsa Riot
A violent racial attack that occurred in 1921 in the Greenwood District of Tulsa, Oklahoma, often referred to as the Tulsa Race Massacre, where a white mob attacked residents, homes, and businesses in one of the wealthiest black communities in the United States.
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