1. Air pollution is increasing day by day, 2. There is always a traffic jam in the city centre,
3. Polluting rivers and seas kills millions of fish.
4. People destroy wild animals' habitats. 5. We must save energy. SO
A) a large number of animals die
. B) people shouldn't cut down trees.
C) we must use public transportation more.
D) turn off the lights when you go out.
E) we mustn't drop litter into seas and rivers.
