The source of photochemical smog is motor vehicle exhaust, NO and VOCs, reacting with sunlight. Effects of Acid Deposition. More commonly called acid rain, acid deposition alters chemistry in soil and âmobilizesâ toxic metal ions to the soil, harming soil organisms by hindering their nutrient uptake.
The human hair IS APRROX 0.004' (four thousands of an Inch and there are 12 inches to the foot)So therefore .004 divided by 12 is your answer.
Hair varies in thickness across the continents and peoples of the world. The thinest is about 2 thousandth of an inch in diameter. The thickest can be about 6 thou'. Most is around 0.004 inches. This equates to 0.0003333333333333333333333333333333333333333333333 feet !!!!