Question

What elements do living things have that volcanic rocks do not have? Oxygen, Silicon, Magnesium or Carbon

Answer 1

silicon

Step-by-step explanation:

silicon is a man made substance

Answer 2

Answer: I believe it is Silicon.

Step-by-step explanation:

From my research, I know that volcanic rocks have carbon, oxygen, and magnesium. I read that traces of silicon have been found in animal bones.