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    Ultraviolet rays and the impact of lives on earth

    Ultraviolet rays commonly referred to as UV is electromagnetic radiation. Excessive exposure to UV rays can damage living beings leading to cancer of skin, eye problems and mutations leading to various abnormalities in animals.

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    Channels: Cell Biology Ecology Geophysics

    Tags: On ultraviolet UV rays

    Uploaded by: ( Send Message ) on 24-11-2011.

    Duration: 5m 58s