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.
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Verbal·Standard English Conventions·Boundaries
mediumWhich choice completes the text so that it conforms to the conventions of Standard English?
A
Netherlands and led
B
Netherlands, led
C
Netherlands. Led
D
Netherlands led