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.
The average diameter of human hair is roughly 0.0035 inches in diameter, which is equivalent to 75 microns. The micron is symbolized by the Greek lowercase letter mu.. The abbreviation micron was initially used to distinguish the units of a tool used to measure small distances, also called a micrometer.