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Sunscreen: Difference between revisions
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→UV Rays in Sunlight
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== UV Rays in Sunlight == | == UV Rays in Sunlight == | ||
[[Image:Uv rays.jpg|thumb| | [[Image:Uv rays.jpg|thumb|250px|right|The depth to which the various types of Ultraviolet rays penetrate the atmosphere.]] | ||
The sun emits very powerful and dangerous rays into the earth’s atmosphere. These rays are so powerful that they can cause genetic mutations within a person’s [[DNA]]. UV rays or [[ultraviolet]] rays is the [[radiation]] present in sunlight. UV rays are [[electromagnetic]] lights that reach the earth from the sun. The UV rays are the main reasons why sunscreen is needed. The two main types of UV Rays, UVA and UVB. These rays are strong enough to penetrate the earth’s [[atmosphere]] and potentially damage a person’s skin. | The sun emits very powerful and dangerous rays into the earth’s atmosphere. These rays are so powerful that they can cause genetic mutations within a person’s [[DNA]]. UV rays or [[ultraviolet]] rays is the [[radiation]] present in sunlight. UV rays are [[electromagnetic]] lights that reach the earth from the sun. The UV rays are the main reasons why sunscreen is needed. The two main types of UV Rays, UVA and UVB. These rays are strong enough to penetrate the earth’s [[atmosphere]] and potentially damage a person’s skin. | ||
