Hypothesis: Water is always denser than oil and we can test this by pouring equal quantities of water and cooking oil together in a container. The water sinks to the bottom and the oil is on top because it's less dense. We decide to change one factor: temperature. We put the mixture in a freezer all night. In the morning we notice that the water, now ice with bubbles, has risen to the top of the mixture. The oil is not frozen but is now on the bottom. Choose the best probable analysis to fit result.

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.

answer: um

explanation: find shelter