Why is photosynthesis necessary for the world?

Answer 1

Photosynthesis is the process in which plants receive sunlight and transfer it into glucose (food for plants). Animals then eat the plant, then we eat the animals. Or if you're a vegetarian you will eat the plant(s). It's basically food for us.

Answer 2

Photosynthesis is necessary for the world because it is the process through which plants convert sunlight, carbon dioxide, and water into oxygen and glucose, providing oxygen for animals to breathe and serving as the foundation of the food chain to sustain life on Earth. It helps regulate the Earth's atmosphere by reducing carbon dioxide levels and producing oxygen.