Which of the following statements about bottled drinking water is true?
A) Bottled water is safer than tap water.
B) Bottled water is healthier than tap water.
C) Bottled mineral water often contains more dissolved ions than tap water.
D) All bottled water comes from natural springs or artesian wells.
Correct Answer:
Verified
Q62: Fluorides are added to water to
A)kill viruses.
B)remove
Q63: What percentage of public water supplies in
Q64: Bottled water is becoming an increasingly popular
Q65: Secondary treatment of sewage involves
A)filtering and aeration.
B)settling
Q66: Charcoal filtration of wastewater is an excellent
Q68: Which of the following is considered to
Q69: Primary sewage treatment involves
A)aeration.
B)settling.
C)chemical treatment.
D)Primary sewage treatment
Q70: Secondary treatment of wastewater is not effective
Q71: Municipal water supplies are generally treated either
Q72: One of the advantages of treating sewage
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