Water is usually disinfected by using
A) chlorine.
B) fluoride.
C) filtration.
D) screening.
Correct Answer:
Verified
Q15: Sanitary landfills are primarily used to dispose
Q16: How many people die annually from water-related
Q17: A gas or vapour that traps infrared
Q18: Sewage contains primarily
A) paper waste.
B) radioactive waste.
C)
Q19: Rodents that carry disease-causing microorganisms are referred
Q21: The respiratory disease most closely associated with
Q22: If the greenhouse effect does raise temperatures
Q23: According to scientists, what is likely to
Q24: The Air Quality Health Index measures:
A) deterioration
Q25: According to the World Health Organization, people
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