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.
1 A sheet of paper is about 100,000 nanometers thick. 2  A strand of human DNA is 2.5 nanometers in diameter. 3  There are 25,400,000 nanometers in one inch.  A human hair is approximately 80,000- 100,000 nanometers wide.