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.
Rating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.On that basis, I'd say the average human hair is about 10 cells thick.Source(s): http://science.education.nih.gov/supplem...ating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.