A physical change is change in shape, size, reversible, and change in matter
The cystic fibrosis is a condition, in which the secretion of mucus in some vital organs such as lungs, pancreas, and stomach becomes sticky and thick.
This condition is caused by the inheritance of the recessive gene responsible for the development of the cystic fibrosis.
The thick and the sticky mucus gets lined up on the walls of the organ and causes the clogging of the tubes and the ducts, hence, instead of providing lubrication they act as clogging agent and causing major damage to some vital organs, especially, lungs and the pancreas.
i think it is D. B. AND C. im sorry if im wrong
Answer:
B
Explanation:
humans will be overly exposed to strong UV light. UV light causes skin cancer, cataracts, sunburns, weakening of the immune system and quick aging.
Yes the person before me is correct and i agree