BlueDiamond153 BlueDiamond153

Today at 8:29 PM
Biology

Answered

Which best examples why a wood-burning fireplace represents an open system.
A. Because the ashes have to be swept away
B. Because a fire requires oxygen from the atmosphere to burn
C. Because they can be used for cooking
D. Because they are not all made out of brick

Answer :

jeonkookie jeonkookie

Today at 8:34 PM

I think it's B, I'm sorry if it's wrong

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