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concept

Photosynthesis Definition and Importance

Photosynthesis is a physico-chemical process by which green plants use light energy to synthesise organic compounds.

What energy source do green plants use in photosynthesis?

Light energy or solar energy.

Recall cue	Source-backed detail
Basis	Basis of life on earth.
Food	Primary source of all food on earth.
Atmosphere	Releases oxygen into the atmosphere.
Energy	Ultimately, all living forms depend on sunlight for energy.