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Answer:
ozone is the layer which protects us from the harmful effects of sun rays an ozone layer is made up of three oxygen. if the ozone layer gets depleted the ultraviolet rays of sun would harm the human life.
Answer:
Explanation:
1). a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3).
2). The main cause of ozone depletion and the ozone hole is manufactured chemicals, especially manufactured halocarbon refrigerants, solvents, propellants and foam-blowing agents (chlorofluorocarbons (CFCs), HCFCs, halons), referred to as ozone-depleting substances (ODS).
3). Ozone is found naturally in small concentrations in the stratosphere, a layer of Earth's upper atmosphere. In this upper atmosphere, ozone is made when ultraviolet light from the sun splits an oxygen molecule (O2), forming two single oxygen atoms. If a freed atom collides with an oxogen molecule, it becomes ozone.
4).Effects of the ozone hole to the environment and health
For humans, direct exposure to UV rays can lead to: Skin cancer such as melanoma, basal cells or squamous cell carcinomas. Premature aging and other skin damage. Eye damage such as cataract problems, photokeratitis or snow blindness.
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