“പ്ളാസ്റ്റിക്ക് മലിനീകരണത്തെ തോൽപ്പിക്കുക" ഏതു വർഷത്തെ പരിസ്ഥിതി ദിനത്തിന്റെ തീം ആണ് ?
A2020
B2022
C2019
D2023
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Which of the following options best describes the primary function of a scrubber in the context of air pollution control from industrial emissions?
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