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.
Question 2
The polymer segment CH2CH2CH2CH2CH2CH2C H2 represents
A) polyethylene.
B) polypropylene.
C) polystyrene.
D) polyvinyl chloride.