Field 2. surface

Forest pest depletion layer

Garden oxygen rich

Weather impact

Unfavourable climate pollution

Changes 4. dangerous disease

Heredity consequences

Interference

Disruption of the temperature regime

In the oxygen balance

Increasing land chemical fertility 7. arid climate economic region

War

Extinction

Threat of destruction

Depletion

A disruption in the oxygen balance

Exercise 12. Write out verb forms except the verb to be and define their tense and voice forms, give the Infinitive.

Example: was given - Past Simple, Passive Voice - to be given.

Exercise 13. Underline the subject and the predicate of the sentences, define the tense of the predicate and put possible questions to all members of the sentence.

Those include changes in its energy balance and a gradual increase in temperature that will transform fertile regions into arid ones. 2. Water bodies are becoming unsuitable both for general use and for use in the economy. 3. In many cases the environmental problem has become a dominant one in relation to many others. 4. The pollution of the environment and the destruction of ecosystems have now reached threatening proportions. 5. An increasing influence on nature and the application of new technological processes may cause catastrophic results.