Residence time is ________
A) the chemical change that occurs with time, when substances are altered by the sun or metabolized by microorganisms
B) the length of time it takes for chemicals to be stored in the tissues of living organisms
C) the chemical change that occurs with time, when substances alter the growth and development of humans
D) average length of time a molecule of a substance spends in the environment
E) the length of time it takes to produce toxic chemicals in the environment
Answer: D
You might also like to view...
The cultural mosaic of a place has elements from different groups represented by different scales of spatial distribution. Which of these scales is the greatest in areal extent?
A. tribal B. ethnic C. popular D. folk
Which of the following is the amount of relative humidity when wet haze forms?
A. equal to the dew-point temperature B. above 100% C. less than 100% D. equal to 100%
Which of the following graphic objects can be used for selecting map features?
A. a circle B. an irregular polygon C. a rectangle D. all of these are correct E. both a circle and a rectangle
What is meant by the terms water vapor saturation and saturation vapor pressure? Why does the saturation vapor pressure increase with increasing air temperature?
What will be an ideal response?