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 growth does not occur immediately. Generally, hair grows at roughly Â½ inch per month. This means that the typical head of hair will grow six inches per year. Depending on your personal genetics, your hair may grow more quickly or more slowly.