Question

which is the most important gas for human beings and animals present in the air

PLEASE TELL ANYONE
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Answer 1

Answer:

Oxygen is most important gas for animals and Humans...

Answer 2

Answer:

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ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ ᴏxʏɢᴇɴ ᴍᴀᴋᴇ ᴜᴘ ᴀʙᴏᴜᴛ 99 ᴘᴇʀᴄᴇɴᴛ ᴏғ ᴇᴀʀᴛʜ's ᴀɪʀ. ᴘᴇᴏᴘʟᴇ ᴀɴᴅ ᴏᴛʜᴇʀ ᴀɴɪᴍᴀʟs ɴᴇᴇᴅ ᴏxʏɢᴇɴ ᴛᴏ ʟɪᴠᴇ. ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ, ᴀ ɢᴀs ᴛʜᴀᴛ ᴘʟᴀɴᴛs ᴅᴇᴘᴇɴᴅ ᴏɴ, ᴍᴀᴋᴇs ᴜᴘ ʟᴇss ᴛʜᴀɴ .