Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Science Biology Botany

Oxygen is returned to the atmosphere by ______.

1
formation of nitrogen oxides
2
respiration
3
combustion
4
photosynthesis
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters