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18 November, 18:14

Multiple Choice:

The continents are light in color because they contain:

A. silicon and aluminum

b. iron and nickel

c. iron and quartz

d. silicon and magnesium

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Answers (1)
  1. 18 November, 21:55
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    The continents are light in color because they contain:

    (A) silicon and aluminum

    Explanation:

    Continental crust -

    Continental crust contains more light-colored rocks than oceanic crust.

    The continents crust are light in color because they contain:

    silicon and aluminum but in the oceanic crust silicon and aluminium not present.

    In oceanic crust only silicon and magnesium is present, which is responsible for the dark crust of ocean.

    Hence,

    Correct option is - (A) silicon and aluminum
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