A. The oxygen means it's a respiratory, and the hairs act to ensure no foreign contaminants make you sick.
The answer is C, high altitudes remove the water from heat source.
Table slat has a low melting pointy while mercury has a high one
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Answer:
NaCl or sodium chloride, is commonly known as table salt. ... Subscripts show the ratio of atoms of different elements in the compound. Since there are four hydrogen atoms in the molecule, the subscript 4 follows the symbol for hydrogen.
Explanation:
