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9. Protection from harm - the guarding of something from danger, harm, or injury.

AImprovement

BReclamation

CPreservation

DUtilization

10. ..... is the state of having been made use of.

AImprovement

BUtilization

CConsumption

DReplicating

Grammar Issues to Be Revised

1.Conditional sentences.

2.The complex sentence.

1. Make up sentences using conjunctions: when ,which, where, as, that

1.A gas without colour, ..... forms about four fifths of the air.

2.Organisms such as bacteria and fungi ..... decompose dead plants and animals.

3. The long-term process through ..... a population of organisms accumulats genetic changes that enable its members to successfully adapt to environmental conditions and to better exploit food resources.

4.Consider the evolution of the atmosphere: ..... life began there was no oxygen in the atmosphere.

5.It is a necessity for maintaining animal life and is the medium in .....

many animals live.

6. .... the oxygen in the atmosphere increased, a layer of ozone was formed, life would be impossible without it on the surface of the Earth.

7.Crops can grow and produce best in correct place ..... you know the microclimate of this or that part of the area.

2. Make up sentences.

1.I was sick yesterday, so I didn't go to class.

-If I hadn 't been sick yesterday, I would have gone to class.

2.Because Alan never eats breakfast, he always overeats at lunch.

-If Alan ate breakfast, he wouldn't overeat at lunch.

3.Kostas was late to his own wedding because his watch was slow.

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