Sun is the main source of light on earth. How is sun important for life on earth?

The sun is a natural source of light and energy and it illuminates the entire solar system. Without light and heat from the sun, we cannot imagine life on the earth because

• It provides light, which helps us see and supports plant growth through photosynthesis
• It gives heat, keeping the Earth warm enough for living beings to survive.
• It helps in the water cycle by causing evaporation.
• It supports food chains, as plants use sunlight to make food which animals and humans depend on.