what are important uses of carbon?
['It makes up for 18% of the human body. Sugar, glucose, proteins etc are all made of it. ... ', 'Carbon in its diamond form is used in jewellery. ... ', 'Amorphous carbon is used to make inks and paints. ... ', 'Graphite is used as the lead in your pencils. ... ', 'One of the most important uses is carbon dating.']