redalert redalert

14-04-2020
Engineering

contestada

How long have simple machines been around?

Group of answer choices

A: thousands of years

B: 850 years

c: millions of years

d: hundreds of years

Respuesta :

jahelton jahelton

14-04-2020

Answer:They have been around senses the 3 century BC

Explanation:

Answer Link

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