Question: Photosynthesis is a process that helps cycle matter through the environment. Which statement best explains the role of photosynthesis in the carbon cycle? Need Assignment Help? Carbon dioxide is absorbed from the air, and carbohydrates are produced. Carbon dioxide is released into the air, and carbohydrates are broken down. Carbon and nitrogen are absorbed into the soil, and carbohydrates are produced. Carbon and nitrogen are released from the soil, and carbohydrates are broken down.