Answer:
To test my hypotesis I should take two groups of students, one that will study for the exam and other that won't, and make them take a test. Then, I will compare the grades of the two groups and, if the group that studied got better grades, I will conclude that my hypothesis was correct.
Explanation:
The six steps of the scietific method are: 1 Ask a question; 2 Research; 3 Propose an hypothesis; 4 Experiment; 5 Analize the data; 6 Accept or Reject the hypothesis
Since I already have questioned if what my friend says it's correct and I have an hypothesis, I only need to follow steps 4 to 6
Answer:
B.
Explanation:
If you have not notised, the mass is the products are <em>less than </em>the mass of the reactants. The mass is reduced after the conversion. This decrease indicates that the mass had to be somewhere because the mass would probably have been <em>equal</em>, or <em>greater than</em> the mass of the reactants if it had been mass. This is accurate because all the data that should be correct are provided by the query. Essentially, the question decides all for you.
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