Biology · BIOMOLECULES
हिन्दीA comparative elemental analysis of non-living matter (Earth's crust) and living matter (Human body) reveals distinct percentage abundances by weight. Which of the following elements exhibits a percentage weight of approximately 27.7% in the Earth's crust but is virtually negligible in the human body?
Correct answer · Option 3
Silicon
Explanation
Silicon makes up 27.7% by weight of Earth's crust, whereas in the human body its presence is negligible.