Question

What is photochemical dissociation?

Answer 1

Ozone protects Earth's surface from intense, deep ultraviolet (UV) irradiation, which is damaging to DNA and is formed in the stratosphere by a photochemical dissociation (separation) of molecular oxygen (O2) into individual oxygen atoms, followed by subsequent reaction of those oxygen atoms with molecular oxygen

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Answer 2

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Photochemical dissociation.

Photodissociation, photolysis, or photodecomposition is a chemical reaction where photons break down a chemical compound. It is defined as one or more photons interacting with a single target molecule. There is no limited photodissociation to visible light.

Photosynthesis: plants use solar energy to convert carbon dioxide and water into glucose and oxygen. Human formation of vitamin D by exposure to sunlight. ... Vision is initiated by a photochemical reaction of rhodopsin.

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