solid ink
lead
lead sulphate
graphite
Answer is Right!
Answer is Wrong!
The correct answer is: Graphite.
Graphite is a form of carbon that is used in pencils. It is a soft, black material that is made up of tiny flakes. When you write with a pencil, the graphite flakes rub off onto the paper and leave a mark.
Lead is a heavy metal that is not used in pencils. It is poisonous and can be harmful to your health.
Lead sulphate is a chemical compound that is used in some types of batteries. It is not used in pencils.
Solid ink is a type of ink that is made up of tiny particles of pigment. It is used in pens and markers.
In conclusion, the correct answer is: Graphite.