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Katyanochek1 [597]

3 years ago

6

Which best explains why a wood-burning fireplace does not represent a closed system? A. because a fire requires oxygen from the

atmosphere to burn B. because the ashes have to be swept away C. because they are not all made of brick D. because they can be used for cooking

1 answer:

sweet [91]3 years ago

7 0

Answer is A of course lol Fire needs oxygen as an essential fuel to burn.

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Element A and element B have bonded and formed compound AB. Which of the following statements is true? Compound AB has chemical

creativ13 [48]

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3 years ago

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Answer:

18 m

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4 years ago

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Answer:

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2 years ago

A car speeds up from 18.54 m/s to<br> 29.52 m/s in 13.84 s.<br> The acceleration of the car is:

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3 years ago

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Answer:

Its C

Explanation:

My teacher did it for me and it was right.

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3 years ago