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.
How much hair is on a human head?   There are thousands of hair on the average human head. everyday the average person loses about 40 hairs. Now if you did not have thousands of hair on your head that woulâ¦d seem like a lot but since there are so many, 40 is a very small number.