sciense model oxygen
Answers
Answered by
1
actually oxygen means acid former...
oxygen is survival gas for all living organisms.without oxygen there is no life on earth.............there is 21 % of oxygen in earth........
plants give oxygen and we give them carbon dioxide . respiration occurs............
.... hope this helps you
oxygen is survival gas for all living organisms.without oxygen there is no life on earth.............there is 21 % of oxygen in earth........
plants give oxygen and we give them carbon dioxide . respiration occurs............
.... hope this helps you
Harisri123:
thankyou for marking my answer as brainliest
Answered by
2
oxygen is gas molecules whose percentage presence in air more than 80.It one most important factor which make our atmosphere oxidising in nature and possibility of life on earth.
Similar questions