Answer:

1. Cystic fibrosis (CF) is an inherited disorder that causes severe damage to the lungs, digestive system and other organs in the body. Cystic fibrosis affects the cells that produce mucus, sweat and digestive juices. These secreted fluids are normally thin and slippery.
2. Short for Blu-ray disc, BD or BD-ROM, is an optical disc format developed by thirteen consumer electronics and PC companies. ... The picture shows a blue laser in a Blu-ray disc player.
3. di ko alm answer ih sorry
4. di ko alm answer ih sorry