Question

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Answer 1

Answer:

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in Plants generally involves the green pigment chlorophyll and generates oxygen as a by - product..

Answer 2

Answer:

Ameba

64 years 1804–1869

Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, although for airplane propulsion the fuel is usually a liquid.