Aerosols present in atmospheric air may be__________________?
Correct answer: D. Combination of all A., B. & C.
- A. Positively charged
- B. Negatively charged
- C. Neutral
- D. Combination of all A., B. & C.
Explanation
Atmospheric aerosols may acquire positive or negative charge, while many particles remain electrically neutral. Therefore all three states can occur in atmospheric air.
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