The best answer is B. <span>Photochemical smog tends to form over sunny cities. </span><span>The main components of smog are nitrogen oxides,
volatile organic compounds, peroxyacytyl nitrate and tropospheric ozone. Smog
is a mixture of air pollutants which are altered due to exposure to sunlight. </span>
The manufacturer of the drug is responsible for determining the safety and efficacy of any dietary supplement.
<h3>Which body is responsible for determining the safety and efficacy of any supplement?</h3>
Although it is the FDA's responsibility to take action upon discovery of an adulterated or dietary supplement after reaching the market, the responsibility to determine the safety and efficacy of the supplement is on the manufacturer of the product.
Hence, the manufacturer is responsible for determining the safety and efficacy of the dietary supplement.
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It helps in auditory perception (helps in hearing ,seeing and being aware of something)..
