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 Layered hair is acceptable if the longest layer is 10 inches. 2  Layered hair may be divided into multiple ponytails. 3  Curly hair may be pulled straight to measure the minimum 10 inches.  10 inches measured tip to tip is the minimum length needed for a hairpiece.