How do lungs work according to Boyles’s law of gases? Explain.

Many different gases are useful in treatment.  N2O gas is one of them and is used as a common anesthetic in dentistry. Explain how it is mixed with other gases and used as an anesthetic.

NO (Nitric oxide) is believed to be used for muscles relaxation. Explain its uses in terms of heart problem.

How do microwaves heat food so quickly?

The unit of measurement for length in the metric system is the meter, which is comparable to a yard in the English system.
Can you explain how the “meter” was developed?


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