A farmer wants to improve crop yield in his fields by testing the effectiveness of a new pesticide available on the market. Which one of the following is the best control for this experiment?
A) a higher concentration of new pesticide used on the control field than the experimental field
B) more shade on the control field than on the experimental field
C) a lower concentration of new pesticide used on the control field than on the experimental field
D) more water on the control field than on the experimental field
E) no new pesticide used on the control field; new pesticide used only on the experimental field
Correct Answer:
Verified
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