9. _______ or sleep disturbances are usually caused by constant exposure to noise pollution.
A. Insomnia
B. Leukemia
C. Psychological effect
D. Deaf
10. _______ pollution is generally defined as loud and unpleasant noise that is harmful or annoying and may lead to adverse effects to people and other living organisms.
A. Noise
B. Water
C. Air
D. land

Nonsense=report
please answer
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