The best description of Ernest Rutherford's experiment is letter C. The positively charged particles were fired through a gold foil. Most of these particles went right through, while others bounced back. This experiment led to the discovery of the nucleus.
I would say they design and build things.
Answer:

Explanation:
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In this case, since the reactions between NaOH and the acids are:

Whereas we can see the 1:1 and 2:1 mole ratios between NaOH and HCl and H2SO4 respectively. In such a way, at the equivalence point we realize that:

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Beacuse a liquid is a physical property of matter so is gas solid and plazma what im getting it is they are propertys beacuse that helps the mind process them better.