Ships have been using ballast water since the 19th century for stability. In the past, ships would discharge water from the ballast en route and at ports of call. Both United States and Australian ports receive more than 79 million metric tons of ballast each year. Currently, military and commercial ships are asked to perform a mid-ocean ballast exchange before arriving at port. What ecological issues is the mid-ocean exchange trying to prevent

fabric is silk wool ext. paper isnt

explanation:

u cant make fabric out of paper cause paper comes from wood while fabric comes from animals

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.

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.