What is the source of carbon used by plants to build sugars?

Question

carbon dioxide from the air

hydrocarbons from the soil

ATP produced by the mitochondria

NADPH produced by the chloroplasts

Answer 1

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.