----- Nội dung dịch tự động từ ảnh -----
VI)-Combine each pair of sentences, using the words/ phrases
in brackets. You can make some changes.
28.
We are unable to see the stars in the sky. Light pollution occurs. (makes)
29.
Glass panels, windows, lawns and roofs make light pollution worse. They reflect
both artificial and sun light. (because)
30.
All sounds are not noise. Noise is any sound that is unwanted and goes beyond
its certain limit, for example, above 80 decibels. (because)
31.
More and more noise is created by modern civilization. It has now become a
major environmental pollutant, especially in urban areas. (so)
32.
Contamination in the air happens. There is acid rain which damages soil,
vegetation and aquatic life of the region. (causes)
33.
Noise pollution is one of the major causes of stress and anxiety. People suffer
from stress and anxiety. (because of)