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Environmental Issues. — BIO BOTANY STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYEnvironmental Issues.1 Mark
MCQ
Which is not a greenhouse gas?
  • A
    $CO _2$
  • B
    $N_2 O$
  • ✓
    $O _3$
  • D
    $CFC$
✓

Answer

Correct option: C.
$O _3$
$O _3$

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