Geography, asked by Sapnapearl6705, 6 days ago

উঁচু পাহাড়ে ওঠার সময় সিলিন্ডারে যে গ্যাস ভরে নিয়ে যাওয়া হয় সেটি কোন গ্যাস

Answers

Answered by toishitasil

1

Answer:

Oxygen it's

Explanation:

hope u like it

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