What is photosynthesis?

Photosynthesis is defined as the process by which plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose. During photosynthesis, these organisms take in carbon dioxide from the air and water from the soil, and through a series of reactions powered by light energy, they produce glucose and oxygen. This process is vital for life on Earth, as it is the primary source of organic matter for almost all living organisms, and it provides the oxygen necessary for aerobic respiration.

The answer provided captures the essence of photosynthesis accurately, focusing on the role of light in enabling plants to convert carbon and water into energy. This fundamental process is crucial for the survival of plants and has a significant impact on the Earth's atmosphere and ecosystem.