Question

Reason of lung cancer is

(a) coal mining

(b) calcium fluoride

(c) cement factory

(d) bauxite mining.

Answer 1

ANSWER:

(a) coal mining

Reason of lung cancer is coal mining

Lung cancer may be a sickness wherever tissue within the respiratory organ grows out of management. this mightcause metastasis, invasion of adjacent tissue and infiltration on the far side the lungs. The overwhelming majority of primary respiratory organ cancers square measure carcinomas of the respiratory organ, ensuing from animal tissuecells,. one amongst the causes of carcinoma is exposure to coal mud. Exposure to coal mud will cause some mine staffto develop pneumonoconiosis, or “black respiratory organ.” this happens once indrawn coal mud becomes embedded within the lungs, inflicting them to harden and creating respiration tough.