निम्नलिखित में से कौन सा पर्यावरण प्रदूषक धीरे-धीरे नष्ट (slowly degradable) होने वाला है और दशकों तक पर्यावरण में बना रहता है?

Prolonged occupational exposure to excessive noise from heavy machinery without hearing protection causes noise-induced hearing loss. Excess noise is categorized as a:

Long-term exposure to indoor air pollutants, such as smoke from burning biomass fuels, significantly increases the risk of developing chronic respiratory conditions like: