Who developed the early box camera known as Kodak? A. Ernst Leitz B. Franke and Heidecke C. Polaroid D. George Eastman
2 answers:
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Answer: Any pencil label from 4B to 8B
Explanation:
Your H labels on pencils tend to show that the pencil has a softer lead. Therefore the B lables on pencil have harder leads.
See attached image for an image of my explanation.
