Which of these components have the least percentage by weight in the Earth’s crust?(a) Oxygen(b) Sodium(c) Magnesium(d) NitrogenThis question was addressed to me in my homework.I need to ask this question from Biomolecules in chapter Biomolecules of Biology – Class 11

Which of these components have the least percentage by weight in the E

1.	Which of these components have the least percentage by weight in the Earth’s crust?(a) Oxygen(b) Sodium(c) Magnesium(d) NitrogenThis question was addressed to me in my homework.I need to ask this question from Biomolecules in chapter Biomolecules of Biology – Class 11
Answer» Right choice is (d) Nitrogen Explanation: Oxygen has the highest percentage by weight in the EARTH’s crust, that is, 46.6%. Sodium and MAGNESIUM are also PRESENT in some AMOUNTS. HOWEVER, the percentage by weight of nitrogen is very little.

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