Question

Answer the following questions about pencil drawings: -When were pencils first used? - What is graphite? - What is an HB pencil? - What happens when the H# is increased?

Answer 1

Answer:

1. Pencils were first used in 1662.

2. Graphite is the crystaline form of Carbon with its atoms arranged in a hexagon.

3. HB is a pencil that is neither soft or hard.

4. When H gets increased the pencil the hardness is increased

(and b is for blackness of the pencil)

Hope this helps! Good luck!

Answer 2

Explanation:

ant.....

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