Complete the sentences
| natural recourses, test , ton, ozone , filter, ecology, ultraviolet radiation,
environment, to pollute , pollution , to cause , destruction , shortage , population,
dump , to dump , waste , poison , to poison , nuclear , weapon , to survive , safe
4. they
1. this food is not
babies.
2. we won't die. we shall
3.guns and knives are
lot of rubbish in the river
5.there are no winners in
.wars.
6. the country is rich in
7. is
?
8.the doctor said he would
blood pressure
9.the box is heavy.it weighs more than a
10. we need
the water is very dirty.
11. what do you know about
.. in big cities?
12.it is very good when there is much
the air
13. many people understand they should protect the
14a burning cigarette
fire
15. many scientists speak about serious changes in the climate because of
the
the atmosphere
16.to.
..the water, air atmosphere means to make it dirty and
dangerous for people and animals to live or to use.
17.somebody tried
dog's food.
18.some mushrooms have.
19. a lot of
from factories and plants goes into the river.
20.after the hot summer there was a ..
water.
21.moscow is, a city with a
over 10 million.
22.this town is a real.
