(A): Smaller particles (Size < 5 microns) cause fibrosis of the lung lining. (R) : Smaller particles (Size < 5 microns) are more likely to penetrate into the lungs.

(A): Smaller particles (Size < 5 microns) cause fibrosis of the lung l

1.	(A): Smaller particles (Size < 5 microns) cause fibrosis of the lung lining. (R) : Smaller particles (Size < 5 microns) are more likely to penetrate into the lungs.
Answer» Both (A) and (R) are TRUE and (R) is the CORRECT EXPLANATION of (A) Both (A) and (R) are true and (R) is not the correct explanation of (A) (A) is true but (R) is false (A) is false but (R) is true ANSWER :A