NSC206 List of Questions
Q2 Which of the following is TRUE regarding water systems throughout the world?
Q3 . What is NOT the best method to remove water borne parasites, such as Guardia, Cryptosporidium and worm eggs ?
Q4 Water is usually disinfected by using
Q5 Water Safety Plan (WSP) is divided into the following steps except:
Q6 Water Safety Plan (WSP) is an effective means of_______________,
Q7 Safe water should be located within a distance of ____________from the household residence.
Q8 Each of the following is one of the major classes of outdoor pollutants except:
Q9 Ozone which contributes to the formation of smog is found in the:
Q10 The long-term health effects of indoor air pollution ________.
Q11 Particulate matter dispersed as aerosols ________.
Q12 A great deal of indoor air pollution comes from ________.
Q13 One of the problems that occur as a consequence of green house effect is ________.
Q14 Carbon monoxide is ________
Q15 Sources of air pollution come from:
Q16 ____ cleanses itself of some air pollutants in a few hours or days as the larger particles settle to the surface and soluble gases and particles encounter precipitation or are removed through contact with surface objects.
Q17 The largest portion of atmospheric gases by weight is:
Q18 The ozone layer protects the earth from excessive
Q19 The increase in the concentrations of greenhouse gases is primarily the result of:
Q20 Regarding the greenhouse effect