How do the underlined sentences on pages 1-2 advance the author's point of view?
They support the idea that people drink bottled
water based on quality concerns rather than on
cost or environmental concerns.
They support the idea that people should be
concerned about the effects of bottled water
production on the environment.
They show that people who do not have access to
safe water must pay for bottled water, at great cost
to the environment.
They show that people who have little regard for
the environment are willing to spend money on
high-quality bottled water.

americans began to notice growing differences between the northern and southern sections of the country. there were more people living in cities in the north, which made it more urban. more people lived on farms in the south, which made it more rural. while many people were farmers in the northern states, there were now other ways to make a living, such as working in mechanical cotton gins factories manufacturing cloth, tools and other goods. people in the north supported high tariffs on goods imported from europe because the extra cost encouraged people to “buy american” instead. in the southern states, planters did not like tariffs because they sold most of their production to europe and bought their tools from there as well. southerners believed the protective tariff was something that only northern factory owners keep their profits high. so the southern politicians came up with an idea. they would opt out. they would simply ignore the protective tariff. it was ‘null and void’ in south carolina. the state would not collect the taxes on goods imported into south carolina, no matter what the president said they had to do. this decision led to the nullification crisis.

i am going to guess that it is co2.