Which of the following methods are appropriate ways to conserve resources? A. Reusing items B. Discarding items immediately after a single use C. Reducing consumption D. Recycling materials Choose the correct option.

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: