Biology, 03.05.2020 13:43 williams6129
Last year farmers discovered that a small amount of a new insecticide rapidly killed a worm species that was damaging their corn crops. The insecticide was so effective that they decided to use it again this year. They applied the same amount as last year, but it did not kill as many worms. What is the MOST likely reason the insecticide was less effective the second year?
Answers: 3
Biology, 21.06.2019 13:30
Astudy was performed on 20 trees to test the effectiveness of a new fertilizer. the results of this specific study is brought into question. what would possibly improve the reliability of the results?
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Biology, 22.06.2019 01:00
Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
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Select the correct answer from each drop-down menu proteins are
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Biology, 22.06.2019 14:30
Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.
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Last year farmers discovered that a small amount of a new insecticide rapidly killed a worm species...
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