Biology, 19.10.2019 14:30 hahahwha

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

Answers: 3

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Which best examples why a wood-burning fireplace represents an open system.
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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

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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