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This
scientific law has to do with energy. Energy can
be changed but it cannot be destroyed. When we
strike a match we end up with smoke, heat and
ashes. The smoke disappears, the heat is useful
for a moment and the ashes are thrown away. We
can try with all our might, but we cannot put
the smoke, heat and ashes back together and make
the match like it was.
This
law says there is no change in the amount of
energy, but the usefulness of energy changes.
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