Nhận biết (M1) The relationship between grassland arthropod populations and agricultural fertilizers containing macronutrients—such as nitrogen, phosphorus, and potassium—was the focus of a 1992 study in the __________ by the researcher Walther van Wingerden, the study examined a variety of arthropod specimens, which had been collected by hand.
Which choice completes the text so that it conforms to the conventions of Standard English?
Nhận biết (M1)
The relationship between grassland arthropod populations and agricultural fertilizers containing macronutrients—such as nitrogen, phosphorus, and potassium—was the focus of a 1992 study in the __________ by the researcher Walther van Wingerden, the study examined a variety of arthropod specimens, which had been collected by hand.
Which choice completes the text so that it conforms to the conventions of Standard English?
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