What is the source of carbon used by plants to build sugars?
carbon dioxide from the air
hydrocarbons from the soil
ATP produced by the mitochondria
NADPH produced by the chloroplasts
1 answer
The correct answer is carbon dioxide from the air. Plants obtain carbon dioxide from the atmosphere through tiny openings called stomata on their leaves. They use this carbon dioxide during a process called photosynthesis, in which carbon dioxide is converted into sugars and other organic compounds.