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niniaalvarez
25.11.2019 •
Chemistry
In caso4, the oxidation number of ca is , that of s is , and that of o is .
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Ответ:
The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.
Explanation: