I believe the correct answer is Oxygen Gas.
The earth's atmosphere is made up of many different molecules, therefore including the gases. Some common gases are nitrogen, oxygen, and argon, which are only present in traces of percentages. And the gas that occurs as a result of photosynthesis is our answer, oxygen gas.
Hope I could help! :)
It’s a type of Nucleotide
Spinal cord terms name the part of the nervous system
Fish
The answer is 7 / good luck :)