joleam1467 joleam1467
  • 18-12-2019
  • Engineering
contestada

When you first start a car after it has been sitting for more than an hour, it pollutes up to ......times more than when the engine is warm.


10

2

20

5

Respuesta :

korma42
korma42 korma42
  • 19-12-2019
20 time more then when it’s warm
Answer Link
bandos1 bandos1
  • 31-12-2019
Has to be at most 20
Answer Link

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