Question

what effect does noise pollutions have on humans?
it can damage the ear drum
it can harm the nervous system
it can lead to difficulty breathing
it can cause heart disease

Explanation:

Chronic or excessive noise pollution directly damages the ear drum and inner ear structures, causing hearing impairment. It also triggers stress responses that harm the nervous system (e.g., anxiety, sleep disruption) and elevate long-term cardiovascular risks, contributing to heart disease. Difficulty breathing is not a direct effect of noise pollution.

Answer:

A. it can damage the ear drum
B. it can harm the nervous system
D. it can cause heart disease