II. Fill in the blanks with the words from the box
a) environment
b) century
c) equipment
d) nature
e) during
f) protection
g) contribution
h) science
i) pollution
j) to lessen

1. Ecologists declare two main ways of saving nature: …… (l) pollution and to
   help nature by planting forests and parks. 2. People all over the world are worried
   about the …… (2) of our …… (3). 3. The branch of …… (4) which deals with the
   relation of things to their …… (5) is called ecology. 4. The environmental …… (6)
   is one of the most important problems of mankind. 5. Considerable progress was
   made …… (7) the second half of the 20 th …… (8). 6. The …… (9) of Ukrainian
   scientists into space engineering and developing rocket and space …… (10) is
   great.
   
   IV. Transform the sentences using the Present Participle (V+ing). E.g - There
   are a lot of species which no longer exist on the Earth - There are a lot of
   species no longer existing on the Earth.
   
2. The gases which pollute the air fall as acid rains.
   
3. There are a lot of species which no longer exist on Earth.
   
4. A region in the upper atmosphere which contains a high amount of gas is
   called the ozone layer.
   
5. When people use nuclear energy for producing electricity, they must be
   careful.
   
6. We didn;t know the results of the experiment and that's why we had to stop the
   research.

Английский язык 10 класс Экология и охрана окружающей среды английский язык заполните пропуски экология защита природы загрязнение окружающей среды преобразование предложений причастие научные исследования прогресс в науке проблемы экологии Новый