bunnqldk
bunnqldk bunnqldk
  • 08-01-2020
  • Biology
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PLZ HELPPPPPPP!!!!!!!

PLZ HELPPPPPPP class=

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Аноним Аноним
  • 08-01-2020

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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