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Há 9 horas · Formaldehyde is an intermediate in the oxidation (or combustion) of methane, as well as of other carbon compounds, e.g. in forest fires, automobile exhaust, and tobacco smoke. When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes part of smog.
Há 9 horas · In the United States, under 26 USC § 5845 (a), the term "firearm" means. (1) a shotgun having a barrel or barrels of less than 18 inches in length; (2) a weapon made from a shotgun if such weapon as modified has an overall length of less than 26 inches or a barrel or barrels of less than 18 inches in length;
Há 9 horas · Pharmaceutical industry. The pharmaceutical industry is an industry involved in medicine that discovers, develops, produces, and markets pharmaceutical goods for use as drugs that function by being administered to (or self-administered by) patients using such medications with the goal of curing and/or preventing disease (as well as possibly ...
