Assertion (A): EVS at the primary level should focus solely on local environmental issues, as children are too young to understand global problems. Reason (R): Understanding the interconnectedness of the environment is an important learning objective in EVS. 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: