%_Which one of the following is present in the largest amount in terms of per cent by man In the earth's crust?_%

%_Which one of the following is present in the largest amount in terms

1.	%_Which one of the following is present in the largest amount in terms of per cent by man In the earth's crust?_%
A.	Silicon
B.	Oxygen
C.	Carbon
D.	Calcium
Answer» C. Carbon