Answer:
Its saying how many electronics are in your house.
Explanation:
Such as a tablet or a tv.etc
The centers for disease control and prevention (CDC) develops recommendations for water fluoridation along with technical requirements for each major compound used.
<h3>What is meant by water fluoridation?</h3>
Almost all water contains some fluoride, but usually not enough to prevent tooth decay. Fluoride can also be added to drinking water supplies as a public health measure for reducing cavities. Water fluoridation is the process of adding fluoride to the water supply so the level reaches approximately 0.7 ppm or 0.7 milligrams of fluoride per liter of water, this is the optimal level for preventing tooth decay.
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The biological macromolecule that is made of those monomers is C. Protein.
The answer is threatening behavior by predators. Reason is that it is used as a self defense strategy.