पर्यावरण अध्ययन (EVS) के अध्याय 'हु तू तू, हु तू तू' में कर्णम मल्लेश्वरी को किस रूप में पेश किया गया 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: