1.

Consider the following statement and select the correct option:\[{{S}_{1}}\]: Dust is the non-viable particle.\[{{S}_{2}}\]: Particulates acquire negative charge and are attracte by the positive electrode.\[{{S}_{3}}\]: \[{{O}_{2}}\] is a greenhouse gas.\[{{S}_{4}}\]: Algae is a viable particulate.

A. \[{{S}_{1}}\] and \[{{S}_{2}}\] only
B. \[S{{  }_{1}},\,\,{{S}_{2}}\] and \[{{S}_{3}}\] only
C. \[S{{  }_{1}},\,\,{{S}_{2}}\] and \[{{S}_{4}}\] only
D. \[S{{  }_{2}},\,\,{{S}_{3}}\] and \[{{S}_{4}}\]
Answer» D. \[S{{  }_{2}},\,\,{{S}_{3}}\] and \[{{S}_{4}}\]


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