Answer:
Trees are the basis of sustaining life on earth.Trees absorb carbon dioxide and release oxygen by Photosynthesis.They also help in reducing soil erosion by binding the soil to their roots.
Trees absorb carbon from the atmosphere and store it in their wood and bark, thus slowing the rate of global warming. Forests help in flourishing wildlife and providing shelter for thousands of species including humans.Trees provide fruits, a source of food for birds, animals and humans.
They are also the main source of raw material for timber and paper industries which helps in boosting the economy.Trees act as natural air conditioners by reducing heat up to 8-10 °C, thus cooling the environment.Neem is the common tree which helps in purifying the atmosphere by killing the harmful organism.Amazon Rain Forest is the 'Lung of Earth' because it contributes the most in the production of oxygen.