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.
(students are to convert the number in scientific notation) The thickness of a(n average) human hair is about 0.00388 of a ft. If this is incorrect, what needs to be changed?? -answer would in this case be 3.88 times 10 to the (-3rd power)-.