____________ refers to a situation in which farmers need to use increasing amoun
ID: 283321 • Letter: #
Question
____________ refers to a situation in which farmers need to use increasing amounts of pesticides to achieve the same results over time. Pesticide poisoning Pesticide synthesis Pesticide treadmill Pesticide subsidy Pesticide persistence Which of the following is true of surface fires? They prevent the germination of trees species like jack pine and the giant sequoia. They free mineral nutrients that are locked up in vegetation and litter. They Kill all vegetation and wildlife in their path. They destroy mineral nutrients that are locked up in vegetation. They increase the chance of crown fires. In the sewage treatment process, the purpose of chlorination involves________. reacting with organic materials to form chlorinated hydrocarbons helping large particles settle adding essential nutrients to drinking water removing discoloration and kill bacteria preserving pipes in the sewage facility According to the demographic transition model, what trend is true of countries in Stage 2:Traditional? Birth and death rates fall at same time. Birth and death rates rise at the same time. Birth rates drop, followed by death rates. Total population begins to fall Death rates drop, followed by birth rates. What is a benefit of synthetic pesticides? They pose little threat to human health They have saved human lives They accelerate the development of genetic resistance to pesticides in pests They pose little threat to wildlife They seldom harm the environment In 2006, 42% of the fish and shellfish consumed were produced through _________, which refer of marine and fresh water fish in ponds, tanks or underwater cages. Marine and protected zones Fisheries Aquaculture Hydroponic agriculture EstuariesExplanation / Answer
25) d : Pesticide subsidy
26) b : They free mineral nutrients that are locked up
27) d : Removing discolornation and kill the bacteria
28) e : Death rates drop, followed by birth rates
29) c : They accelarate the development of genetic resistance to pesticides in pest
30) c : Aquaculture
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