braintiktok
braintiktok braintiktok
  • 01-02-2021
  • Computers and Technology
contestada

This is a human-made physical system.

A) ecosystem

B) health care system

C) bicycle

D) school system

Respuesta :

berryq125 berryq125
  • 01-02-2021
Health care system and school system
Answer Link

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