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Cystic fibrosis is a disease that __________.A.causes all those infected to live only into their teen yearsB.makes it difficult to breatheC.can be cured with proper medicationD.occurs most frequently in people of Asian descentPlease select the best answer from the choices provided.ABCD

Sagot :

Ewu2007idn

Answer:

Option B.

Explanation:

Cystic fibrosis is caused by a defective gene which causes the lungs and the digestive system to become clogged with sticky mucus resulting the inflammation of the lungs thereby causing difficulty in breathing. 

Milooliverdiamondidn
The answer should be A or B because cystic fibrosis can cause both, it affects breathing and those who have it don’t live long since there is no cure or treatment
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