laurynmccoy07 laurynmccoy07
  • 12-02-2020
  • English
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How is using the stairs similar to and different from using a ramp to get into a building?

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samara20049
samara20049 samara20049
  • 12-02-2020
The difference between a step and a stair. A step is the portion of movement that changes height by a single riser where as a stair is the change in height or elevation of two or more risers.
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