Answers

2016-03-12T13:04:55+05:30
30% IS THE PERCENTAHE OF LEAD IN LEAD PENCILS
0
2016-03-12T13:05:01+05:30
The percentage of lead in lead pencils isĀ 0%, since the pencil are now a days made of grahite, which is aform of carbon.
2 5 2
mark as brainliest , if helpful plzzz