Find the Limit

question 11

Multiple Choice

Find the limit

• A) -1
• B) 1/3
• C) 1/7
• D) 1

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Definitions:

Anthracosis

Chronic lung disease caused by the inhalation of coal deposits; also known as black lung disease.

Asbestosis

Chronic lung disease caused by the inhalation of asbestos fibers.

Silicosis

Chronic lung disease caused by the inhalation of silica dust.

Black Lung Disease

A common name for pneumoconiosis, a lung disease caused by inhaling coal dust over a long period, affecting coal miners and workers in coal processing facilities.