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Charles Darwin and Alfred Wallace first suggested: A. The idea that evolution might occur. B. A theory to explain how evolution occurs within populations. C. Changes to an individual organism’s body, caused by changes in the environment, might be passed on to the organism's offspring. D. None of the above.

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Answer:

You watched the lab demo video and looked over the lab sheet.  You saw how the catalyst (MnO2) affected the rate of reaction as hydrogen peroxide (H2O2) broke down in to water (H2O) and oxygen gas (O2).

How did the catalyst affect the rate of reaction?

What was the evidence that the catalyst was having that affect?

Explanation:

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