smog was an issue that got so bad that in the 1950 and 1960 people died from breathing it. ( London England )
To reduce smog the American government brought in anti pollution regulations.
Some of the most significant and noticeable govern the pollution output of automobiles.
Great Smog happened in 1952.
no you cat clean it sorry
Smoke and fog
vehicles make up smog and ground level ozone. They are pollutants.
washed up or cleaned up washed up or cleaned up
The past tense of "clean up" is "cleaned up."
In the Great Smog of 1952 in London, it is estimated that around 12,000 people died prematurely due to the effects of the smog. The exact number of deaths directly caused by the smog is difficult to determine, as many deaths were attributed to respiratory issues exacerbated by the pollution.
A river is cleaned up naturally by digestion.
Classic smog is made of smoke, sulfur dioxide and fog Photochemical smog is made of reactive hydrocarbons, PAHs, nitrogen oxides, ozone
Soot,oxygen,and mold
He cleaned his room. I cleaned up the mess I made.
Fresh water supplies can be cleaned up by the water cycle