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svetlana [45]
3 years ago
5

Sodium chloride (NaCl) is formed in a chemical reaction between sodium (Na) and chlorine (Cl2).

Chemistry
1 answer:
Ivahew [28]3 years ago
3 0
I think it is compound
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Emily wanted to see what battery lasted the longest. She put each battery into a clock and recorded the time that the clock stop
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Answer:

independent variable -- different batteries

dependent variable -- the time that clock stop

Explanation:

In an experiment or a research study, there are two type of variables that can affect the result of the experiment or the conclusion. They are independent variable and the dependent variable.

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3 years ago
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