Which of the following methods will usually cause a reaction to speed up? Group of answer choices

Removing the catalyst.

Combining the reactants at a lower temperature.

Grinding one of the reactants into a powder.

Reducing the concentration of reactants.

the correct answer is answer a. a mixture

no other options make sense

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samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.