निम्नलिखित में से कौन सा जीव एक स्थलीय खाद्य श्रृंखला में द्वितीयक उपभोक्ता (Secondary consumer) के रूप में कार्य करता 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: