General Science

    Sound Waves
    In water the speed of sound is
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    Importance of Water
    Water can be kept pure if we throw
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    Electric Circuits and Currents
    Two or more cells when connected in series make a
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    Dispersion of Light
    Inside rain droplet, light
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    Dispersion of Light
    The colors known as primary colors are
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    Human Transport System
    The clot of blood formed in the blood vessel is known as
    Author: rikazzz Comment
    Atoms and Atom Model
    One molecule of carbon dioxide consists of
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    Electric Circuits and Currents
    To prevent overload and overheating of wires
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    Sound Waves
    Three main types of musical instruments are
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    Dispersion of Light
    The lenses work due to the
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