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Gnoma [55]
3 years ago
9

PLZ HELPPPPPPP!!!!!!!

Biology
1 answer:
LenKa [72]3 years ago
4 0

Answer:

so the answer is c

Explanation:

A staircase is an example of the inclined plane simple machine. A spiral staircase, however, is categorized as a screw.

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Out of the following given choices;

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