Question

Why is necessary energy for us? What is the photosynthesis? What is the chief source of energy? Where do plants make their food? Where do human beings get energy from?​

Answer 1

Answer:

1. Energy is essential to life and all living organisms. The sun, directly or indirectly, is the source of all the energy available on Earth. Our energy choices and decisions impact Earth's natural systems in ways we may not be aware of, so it is essential that we choose our energy sources carefully.
2. the process by which green plants turn carbon dioxide and water into food using energy from sunlight. is called photosynthesis