It’s important because it provides so other scientists can repeat the experiment to prove if that theory is true or not.
Answer:
A catalyst is a substance that can be added to a reaction to increase the reaction rate without getting consumed in the process. Catalysts typically speed up a reaction by reducing the activation energy or changing the reaction mechanism.
Explanation:
Answer:
d
Explanation:
soil need nutrient for it to help plant grow
Answer:
Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves.
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