ओजोन परत के क्षरण के लिए मुख्य रूप से निम्नलिखित में से कौन सा यौगिक जिम्मेदार 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: