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The most recorded early form of music is the middle ages (?)
Answer: My favorite color is Sea Green because it is pretty.
When were pencils first used? - Pencils were first used in 1795.
They were invented by a scientist named Jacques Conte, who had been serving in the army of Napoleon Bonaparte.
What is graphite? - Graphite is one of crystalline's that are formed from carbon.
The second one is diamond.
What is an HB pencil? - An HB pencil is a standard pencil, equivalent to a #2 pencil.
HB is an option on the HB scale.The HB scale represents how hard (H) or soft (B) a pencil is. The HB is the option in the middle, with other softer (to the left) and darker (to the right) shades surrounding it. The farther to the left on the scale, the lighter the pencil will be, vice versa. Most manufactures outside of the U.S. use this scale.
What happens when the H# is increased? - When the H is increased, the pencil will be harder.
The more H, the harder and blacker the pencil will be. You could google a picture of an HB scale to see an example.
Hope this is what you needed!
