10. When a piece of steel wool is burned it gains mass. Which explanation is consistent with the law of conservation of mass?

A. Matter from the air combined with the steel wool.

B. Matter was created during the chemical reaction.

C. A chemical change did not take place.

D. Heat changed into matter.

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1 February, 12:22

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Lilliana Ball · Answer 1

Oh come on. Look at all - then look at A.

10. When a piece of steel wool is burned it gains mass. Which explanation is consistent with the law of conservation of mass?A. Matter from the air combined with the steel wool.B. Matter was created during the chemical reaction.C. A chemical change did not take place.D. Heat changed into matter.