PrepTest 93+, Section 2, Question 3
Although there are immediate short-term gains in crop yield from a single application of certain hydrocarbon-based pesticides to fields on which they have not been previously used, studies have shown clearly that long-term use gradually depresses crop yield from this initially elevated level. We should conclude that use of these pesticides _______.
Although there are immediate short-term gains in crop yield from a single application of certain hydrocarbon-based pesticides to fields on which they have not been previously used, studies have shown clearly that long-term use gradually depresses crop yield from this initially elevated level. We should conclude that use of these pesticides _______.
Although there are immediate short-term gains in crop yield from a single application of certain hydrocarbon-based pesticides to fields on which they have not been previously used, studies have shown clearly that long-term use gradually depresses crop yield from this initially elevated level. We should conclude that use of these pesticides _______.
Although there are immediate short-term gains in crop yield from a single application of certain hydrocarbon-based pesticides to fields on which they have not been previously used, studies have shown clearly that long-term use gradually depresses crop yield from this initially elevated level. We should conclude that use of these pesticides _______.
Which one of the following would most logically complete the argument above?
is uneconomic
damages the environment
will eventually make pest problems unmanageable
is probably not occurring in accordance with manufacturers' instructions
gives financial returns that diminish over time
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