Multiple choice

Which of the following amount of carbon is present in earth's crust?

  1. 0.01 %

  2. 0.02 %

  3. 0.03 %

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon is present in the earth's crust in the form of minerals like carbonates, coal, and petroleum, accounting for approximately 0.02% of the crust's composition.

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