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True or false, cilia and mucus help keep our lungs clean and healthy?

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1 answer:

fiasKO [112]3 years ago

6 0

Answer:

It does. They trap particles so they don’t enter.

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Hello,

In this case, due to the volume displacement caused the by the object's submersion, it's volume is:

$V=11.8mL-4.5mL=7.3 mL$

In such a way, considering the mathematical definition of density, it turns out:

$\rho =\frac{m}{V}=\frac{6.5g}{7.3mL}\\ \\\rho =0.89g/mL$

Rounding to the nearest tenth we finally obtain:

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