The deepest lake on earth is lake baikal in Russia. Relative to sea-levsl, the altitude of its surface is +1495 feet and the altitude of its deepest lake-bed (bottom) is -3822 feet. how much deep is lake Baikal measured from its surface to its bottom?
Answer:
1495 – ( – 3822)
= 1495 + 3822
= 5317 feet
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