kevinmarroquin6
19.03.2021 •
Biology
1. How is the property of compressibility of gases used in everyday life? Give an example.
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Ответ:
1.When a gas is compressed, as when the scuba tank is being filled, the gas particles are forced closer together. Compressed gases are used in many situations. In hospitals, oxygen is often used for patients who have damaged lungs to help them breathe better.
Explanation:
2.
Ответ:
no
Explanation:
a controlled experiment is is an experiment that uses control groups, where only one variable is manipulated. If the manipulated variables are constant, then they are no longer manipulated variables, so it's not really an experiment at that point.
I'm not 100% sure though, so sorry if it's wrong!