As the Earth was solidifying it was struck by another planet. The results were that Earth had to settle out again and the moon was born of that collision. The moon is a good chunk of the Earth.
I only sell aluminum. Others seem awfully idiotic. That's a stupid little mnemonic I made up to remind myself of the composition of the Earth. Overall composition: Iron, Oxygen, Silicon, Aluminum, in...
the chemical composition of human beings are similar to that found in the reminisce of stars after they impload this answer is correct human beings cant be chemically composed like earths crust...