Question

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Ophthalmology is the branch of medicine that deals with the anatomy, physiology and diseases of the eye.Cardiology. A branch of medicine dedicated to study of the functions and diseases of the heart. Cardiologists are specially trained to diagnose and treat heart conditions.​

Answer 1

Answer:

Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

Answer 2

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