At higher concentrations, it catalyzes the collisions. think of it like a glow-stick. the smaller ones aren't a bright because less chemicals are inside the tube, but large glow-sticks are brighter, and has more chemicals contained in the tube. the correct answer is 3, the catalyst answer. <span>At higher concentrations, product molecules are able to catalyze the reaction.
hope this helped. good luck!
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The answer is B :)- because snow only falls below freezing.
The tonsils blind ended structure is called crypts.
