In photosynthesis, using light energy, plants convert CO2 and H2O into O2 and C6H12O6
CO2= carbon dioxide
H2O= water
O2= oxygen
C6H12O6= glucose
The substance is a compound because it's formed by two different elements.
The answer would be 9. There are nine <span>essential amino acids needed to create a complete protein. </span>
What goes in motion stays in motion, unless friction stops it