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3 January, 12:06

Today earths magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of earth magnetic field at its surface is 0.5 gauss today, what will it be 100 years from now?

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  1. 3 January, 14:02
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    The magnetic strength reduces by 7% every 100 years.

    current strength = 0.5 guass

    strength 100 years from now = (93/100) * 0.5=0.465 guass
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