The black smoke.1. obscure visibility and dirt2. access to the accumulated in the lungs the lungs and air sacs hydrocarbons cause cancer.3. the black smoke is the substance that causes lung cancer and cause bronchitis.
Black smoke 1. obscured vision and a dirty two. Collectors can enter the lungs air sacs in the lungs. And hydrocarbons can cause cancer 3. Black smoke is the leading cause of lung cancer and bronchitis.
Black smoke 1. Avoidance of visibility and the dirty 2.? Can enter the lungs accumulated in the lung alveoli. And a hydrocarbon cause cancer 3.? Black smoke is the substance that causes lung cancer and bronchitis you