Summer smog is also known as photochemical smog. It is created when sunlight mixes with hydrocarbons and nitrogen oxides in the
atmosphere. The result is a chemical change in the atmosphere that leads to smog formation, which can be of health concern. Lung
irritation and exacerbation of respiratory illness is common during smog events. What component of photochemical smog likely
contributes to the lung irritation?
A)ozone
B)methane
C)nitric acid
D)carbon dioxide

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Explanation:

Photochemical smog, often referred to as "summer smog", is the chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere, which leaves airborne particles and ground-level ozone. Photochemical smog depends on primary pollutants as well as the formation of secondary pollutants.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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