South America
Most of the worlds oxygen is produced by Trees.
wheat
To me the answer to this question is starch
i think it,s is gold ....................
No , most of Protozoa are not photosynthetic hence can't produce O2 .
The Honda 50cc single cylinder OHC engine (Supercub) is the world's most produced engine (over 80 million units)
gold and experience
Stanford
neveda and alaska
Learn to speak Chineese and move to China. That is where most of the worlds gold farmers are at.
The GoVacuum GV62711 is $1,000,000 and is 24k gold plated
the worlds most sold car was the German 1938 vw beetle selling way over 21,000,000 of them, it was produced up to 2003 in the factory in Brazil.