Geography, 22.08.2019 20:10 joelpimentel
The toxicity of marine pollutants is evaluated through bioassays by a) calculating the concentration at which 50% of the test organisms of a particular species die b) determining the length of time the pollutant remains in the environment c) estimating the number of trophic transfers in the food web affected by the pollutant d) determining the total biomass of affected organisms in the environment
Answers: 3
Geography, 22.06.2019 12:30
Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas
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Geography, 23.06.2019 20:40
Which of the following best describes the circumstance under which countries block the importation of certain products into their country? a. importation blockade b.trade barrier c.trade inhibitor d. domestic protection act
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The toxicity of marine pollutants is evaluated through bioassays by a) calculating the concentration...
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