Which process changes carbon dioxide into organic molecules? photosynthesis cellular respiration burning fossil fuels evaporation

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste. the percentage of food that the united states wastes each year is %.

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Do plant cells perform cellular respiration?