Fun Science Facts You Didn’t Know (continue) Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading... Related Published by ArcelorMittal Science Centre (Sebokeng) View all posts by ArcelorMittal Science Centre (Sebokeng)
ArcelorMittal Sebokeng Science Centre 