Answer:
The major remaining problem was the large distances driven daily by solitary commuters
Explanation:
Photochemical smog occurs when nitrogen oxides and volatile organic compounds mix together in the presence of sunlight which acts as a catalyst and form ozone at lower levels.
Even though measures such as ban of incinerators and regulation of evaporation of gasoline were instated photochemical smog was still present because people drive for a long time to get to work.
As far as photochemical smog is concerned it the combustion of other fossil fuels, such as gasoline by motor vehicles and industry is seen as its main contributor. Combustion releases primary pollutants: volatile organic compounds and nitrogen oxides. These pollutants are the main cause of photochemical combustion.
Mawsynram, situated on the southern slopes of the Eastern Himalayas in Shillong, India, is one of the wettest places on Earth.
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Every year more than fifty million Americans experience symptoms of mental illness. The data are from the Substance Abuse and Mental Health Services Administration (SAMHSA).
It would be impossible for 50 million Americans to commit suicide every year. In 5 or 6 years, there would be no more population in the United States.
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Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as earthquakes or storms. Currents are cohesive streams of seawater that circulate through the ocean.
