To make energy, a plant must get carbon, hydrogen, and oxygen atoms. what is the source of these atoms?

water and air
air and soil
water and soil
air and sunlight

1 answer

The correct answer is water and air.

Plants obtain carbon from carbon dioxide (CO2) in the air, and they get hydrogen and oxygen from water (H2O). Through the process of photosynthesis, plants use sunlight to convert these raw materials into energy and organic compounds.