The 20th of May.. The text «Human and Nature Cooperation». Task 1. Complete the sentences using the word combinations from the box. Put the verbs in the correct form (Завершите предложения, используя словосочетания из таблицы. Поставьте глаголы в правильн

The 20th of May.

The text «Human and Nature Cooperation»

Task 1. Complete the sentences using the word combinations from the box. Put the verbs in the correct form (Завершите предложения, используя словосочетания из таблицы. Поставьте глаголы в правильной форме).

to threaten; may be harmful; can damage; to be a cause; to destroy; to apply; to cause; to discharge; to pollute; to be a result of

1) The production and application of chemical substances ________ for living creatures. 2) Air pollution ________ by burning wood, coal, gas and oil. 3) Emissions from petrol or diesel engines ________ air pollution, too. 4) If the plants and factories ________ industrial waste it means that they ________ atmosphere. 5) Smoke which ________ of firing cover trees leaves. 6) Sewage disposal ________ environment. 7) The intensive modern farming ________ the environment in many different ways. 8) Acid rain ________ trees and wildlife in any area. 9) ________ fertilizers is to kill almost everything in the environment.

Task 2. Read the text and answer the questions below (Прочитайте текст и ответьте на следующие вопросы).

Some people who have been studying the problems connected with environment say that the whole world we live in driven by the energy of our Sun. The Sun emits ultraviolet radiation which we cannot see, but we feel its effect all the time when we are out of doors. Some of this ultraviolet light can be very dangerous to people, because can cause sun burn and cancer of skin. Ozone is very important to us in the upper atmosphere, since it absorbs much of the ultraviolet radiation coming to us from the Sun. The amount of ultraviolet radiation reaching the Earth depends on, among other things, the thickness of the ozone layer is a great concern of people.

1. Where does ultraviolet light come from?

2. Why can even a small increase of ultraviolet radiation be dangerous?

3. What absorbs much of the ultraviolet radiation coming from the Sun?

4. Why the thickness of ozone layer is so important?

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