CF mainly affects the lungs, pancreas, liver, intestines, sinuses, and sex organs. Mucus is a substance made by tissues that line some organs and body cavities, such as the lungs and nose. Normally, mucus is a slippery, watery substance. It keeps the linings of certain organs moist and prevents them from drying out or getting infected. If you have CF, your mucus becomes thick and sticky.
Split and merge into it. Answer by Sedux. Confidence votes 120. In science what causes a revolution is the rotation of an object on its axis. In society, revolution is usually caused by injustices rendered by corrupt leaders or a correupt system that oppresses the people. Revolution can also be caused by disparity between the haves and have-nots. When the gap between rich and poor becomes so great that the poor can no longer survive under these conditions they revolt and establish a system of wealth redistribution.
1. Explain the main causes of the economic boom in 1920. The economic boom in 1920 was caused by many different factors, such as; World War One, Republican policies, new metho â¦ ds in industries and many more.It was a time of luxury, money and fun.The USA was very rich in natural resources, such as oil, people and land.he economic boom of the 1920s saw households with more expendable  income than ever before. Credit made high ticket items such as  cars, refrigerators, washing machines, an â¦ d vacuum cleaners were  only available to the wealthy.