tầng ozon trong khí quyển giúp ngăn ngừa bớt bức xạ nhiệt của mặt trời xuống trái đất? thủng tầng ozon có thể gây nên hiểm họa gì. Vì sao?

write a short paragraph about a type of natural disaster which threatens areas along the coast

1. You can't have a good health unless you exercise more
-> If_____________________________________
2. Visual pollution happens when there are too many telephone poles, advertising billboards or shop signs
-> Too many _______________________________
3. Unless we take action immediately, the air will become completely polluted
->If we__________________________
4. Herbicides kill oth weeds and aquatic plants
-> Both weeds and aquatic plants die ____________________
5. The environment is now in danger because many people do not respect it
-> If many people _____________________________
6. The water is contaminated, so people get more diseases
-> Since___________________________
7. My uncle suffered from lung cancer because he breathed in unclean air
-> Because of _____________________________
8. Unless people stop throwing rubbish in street, the street won't look attractive
-> The street will look ______________________________
9. Because it rained heavily, the road in front of my house was flooded
-> Due _______________________________________
10. Too much use of electric lights in cities may cause light pollution
-> Light pollution many result ____________________