MCQ
वायुमंडल में सामान्यतः $CO _2 $ पाया जाता है-
  • A
    78%
  • B
    0.03%
  • C
    21%
  • D
    4%

Answer

B. वायुमंडल में सामान्यतः 0.03% $CO _2$ पाया जाता है।

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