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Assertion: The element that is most abundantly present in earth crust is also the element most abundantly present in human body
Reason: The element present in least amounts in earth crust is also the least one in human body.

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Assertion and reason are incorrect.

Assertion is correct and reason is incorrect.

Both assertion and reason are true. and reason correctly explains the assertion.

Both assertion and reason are true but reason does not explain the assertion.

answer is C.

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Detailed Solution

Oxygen is most abundantly present in earth crust as well as in human body but its amount is more in human body than earth crust. Nitrogen is lease in earth curst and Silica in human body.

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