alleryపొడి గాలిలో ఆక్సిజన్ యొక్క సుమారు శాతం ఎంత?
A12 శాతం
B15 శాతం
C18 శాతం
D21 శాతం
Answer & Solution
Correct answer: D. 21 శాతం
భూమి యొక్క పొడి వాతావరణ గాలి ఘనపరిమాణంలో ఆక్సిజన్ సుమారు 20.95 శాతం ఉంటుంది.
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