'डेजर्ट ओक' (Allocasuarina decaisneana) के नाम से जानी जाने वाली स्थानिक वृक्ष प्रजाति मूल रूप से किस देश में पाई जाती 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: