Chemistry 28 - Conservation of Mass
Watch the video of Conservation of Mass here: http://www.brainpop.com/science/matterandchemistry/conservationofmass/
If you can't watch it, below is the summary: (:
Basically, The law of conservation refers that all matters cannot disappear or appear out of the thin air. They are either broken down, or rearranged to form another compound.
Hope it helped (:
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