Graphite
Lead
Carbon
Mica
Answer is Right!
Answer is Wrong!
The correct answer is A. Graphite.
Graphite is a form of carbon that is soft and slippery. It is used in the manufacture of lead pencils because it is a good conductor of electricity and heat. It is also used in lubricants, batteries, and other applications.
Lead is a heavy metal that is toxic to humans. It is not used in the manufacture of lead pencils.
Carbon is a chemical element that is found in all living things. It is also found in coal, diamonds, and other minerals.
Mica is a mineral that is used in electrical insulation and other applications. It is not used in the manufacture of lead pencils.