-Pencils were first used in 1662.
-Graphite is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure.
- HB is a graphite hardness/grading scale: the higher the number next to H, the harder and lighter/less dark the pencil lead is.
- The H stands for “hard.”

4 0

1 year ago

t uses overlapping shapes (usually circles)to show or represent the similarities and differences between two or more items or co

zlopas [31]

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7 0

2 years ago

How do paragraphs 7-8 contribute to the development of ideas in the text?.

True [87]

Answer: penis

Explanation: penis solves all

3 0

1 year ago