This is true otherwise cancer patients would have a hole in them and so would the hulk ;)
Answer:
No effect.
Explanation:
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In this case, considering the widely studied Le Chatelier's principle, we can realize that the factors affecting equilibrium are concentration, temperature and pressure and volume if the reaction is in gaseous phase and with non-zero change in the number of moles. In such a way, by adding a catalyst to given reaction will have no effect on the equilibrium direction.
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The rock is limestone, I hope this helps!!
C. The action/reaction law states that a force is equal in both directions.