Why is sun useful for trees and plants?

The sun is the main source of energy for almost every living thing on Earth. It gives a plant the light energy it needs to photosynthesize, which converts that energy into a storable form (glucose) and keeps plants alive. Photosynthesis also produces the oxygen all animals need to survive. read more

plants and trees are autotrophes ie. they produce their own food. for the production of their own food they basically require water, sunlight and carbon dioxide. Water is obtained from the soil via roots, carbon dioxide from air and sunlight is absorbed by chlorophyll present in the leaves. read more

The sun is the main source of energy for almost every living thing on Earth. It gives a plant the light energy it needs to photosynthesize, which converts that energy into a storable form (glucose) and keeps plants alive. read more