Answer:
6 oxygens on the product side
Explanation:
1) balance the equation:
C2H4 + 3O2 → 2CO2 + 2H2O
2) calculate the number of oxygens on the product side
2CO2=4
2H2O=2
The one abt respiration the answer is the first one and circulatory system is the last one that says “delivery molecules …”
There are 1,69*10^2^4 molecules. Hope this helps. This was a hard question so if im right can u give brainliest?
