Joseph wants to know which brand of fish food will make his goldfish grow the largest. He has 15 goldfish in each of his three 10-gallon tanks. In tank #1 he fed the fish his usual fish food, GrowBig. In the tank #2 he fed the fish Goldfish Goodies fish food. In tank #3 he fed the fish Lets Eat fish food. All three tanks received 10 grams of food per day. After 6 weeks the goldfish who were fed GrowBig had grown an average 2cm. The fish that ate Goldfish Goodies grew 4cm. The fish that are Lets Eat fish food grew 1.5cm.

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.

segmented body, an exoskeleton made from chitin, and joint appendages.

i think the answer would be a. after sentence 14! i hope i at least a little