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Identify the correct match based on the percentage distribution of elements:

1.	Sulphur (S): 3.3% in Earth's crust, 0.03% in the human body.
2.	Magnesium (Mg): 2.1% in Earth's crust, 0.1% in the human body.
3.	Calcium (Ca): 0.03% in Earth's crust, 1.5% in the human body.
4.	Oxygen (O): 46.6% in the human body, 65% in the Earth's crust

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