Question 7009 of 406 · Illinois Pesticide Applicator General Standards Exam
Temperature inversions most often develop
Exactly one answer is correct.
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Correct answer to question 7009
- C: on calm, clear evenings and in the early morning hours
Explanation
Ground cooling after sunset on clear, calm nights builds an inversion that breaks up as the sun heats the ground in the morning. Spraying then is risky.
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