Answer:

Explanation:
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In this case, according to the given information, it turns out possible to set up the initial version of the half-reaction as follows:

Now, we assign the oxidation numbers to both nitrogen atoms:

It means three electrons are carried, two water molecules are needed on the left side in order to balance the oxygen atoms and consequently four hydronium ions to balance hydrogen atoms in acidic media:

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It saves money, Helps recycle as much as possible, Its better for the environment, and Saves space in your bin
Answer:For a typical experiment, you should plan to repeat it at least three times (more is better).
Explanation:
The answer is C. Light because light is a form of energy