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.
Historically the human body has been used to provide the basis for units of length. The foot of a white male is typically about 15.3% of his height, giving a person of 160 cm (5 ft 3 in) a foot of 245 mm and one of 180 cm (5 ft 11 in) a foot of 275 mm.