DENDROLOGY

Detailed explanation-1: -Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Detailed explanation-2: -To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.

Detailed explanation-3: -Therefore, the word photosynthesis means “to make something with light.” In order for photosynthesis to happen, four elements must be present. They are chlorophyll, carbon dioxide, water and solar energy. All plants contain chlorophyll.

Detailed explanation-4: -Photosynthesis is the process in which green plants use sunlight, along with water and carbon dioxide to make their own food. Oxygen and glucose are the by-products of photosynthesis.