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.
A human hair is about 60,000 nanometers in diameter, and a DNA molecule is between 2-12 nanometers wide. Source. A unit of measure. One nanometer corresponds to a length which is one-billionth of a meter, or about one ten-thousandth the diameter of a human hair. Source. One billionth of a meter (1/1,000,000,000). Source