Explanation:

Explanation

• Silica (SiO₂ / silicon dioxide) is crystal-like mineral found in abundance in sand, rock, and quartz. Silicosis occurs most commonly as an occupational disease in people working in the quarrying, manufacturing and building construction industries. It is also reported from population with non-occupational exposure to silica dust from industrial as well as nonindustrial sources
• Pink disease and minamata caused by mercury toxicity