पर्यावरण अध्ययन (EVS) मुख्य रूप से सीखने के निम्नलिखित में से किस रूप से संबंधित है? A. तथ्यात्मक (Factual) B. अनुभवात्मक (Experiential) C. प्रयोगात्मक (Experimental)

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: