Choose the right variant according to the text.

1. Water pollution is the presence of undesirable foreign matter which … water quality.

A. improves

B. guarantees

C. deteriorates

D. controls

2. Water contaminants are typically divided into suspended …, dis- solved organic …, heavy metal …, etc.

A. solids, ions, matter

B. particles, matter, compounds

C. solids, compounds, density

D. solids, matter, ions

 

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3. Dissolved organic matter is … of biological origin, containing carbon.

A. components

B. compounds

C. a mixture

D. particles

4. Microorganisms are microscopic organisms including … .

A. microscopic plants, small animals and immature stages of larger animals

B. bacteria, viruses, or fungi

C. phytoplankton and zooplankton

D. non-living and living water contaminants

5. Water treatment is the … of undesirable impurities and pollu- tants. (several answers possible)

A. neutralization

B. concentration

C. consumption

D. removal

6. There are complex … among factors such as surface and ground water, atmospheric and climatic factors, natural landscape fea- tures, human activities, and aquatic health.

A. scientific measurements

B. purposes

C. requirements

D. interconnections

Translate the following pairs of derivatives and memorize them.

Verb – Noun

to analyze – analysis to classify – classification to combine – combination to compose – composition to concentrate – concentration

to fertilize – fertilizer to grow – growth to irrigate – irrigation to measure – measurement to pollute – pollutant / pollution

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to consume – consumption to contaminate – contaminant / contamination to develop – development to drink – drinking

to protect – protection to purify – purification to require – requirement to suit – suitability to treat – treatment

Noun – Verb

change – to change compound – to compound progress – to progress

result – to result sample – to sample taste – to taste

Noun – Adjective

aqua – aquatic atmosphere – atmospheric bacteriology – bacteriological biology – biological chemistry – chemical climate – climatic danger – dangerous excess – excessive harm – harmful / harmless

mechanic – mechanical microscope – microscopic nature – natural organism – (in)organic physics – physical prime – primary science – scientific society – social technology – technological

Noun – Adjective

chemical – chemical complex – complex human – human

objective – objective sample – sample solid – solid

dense – density hard – hardness present – presence suitable – suitability turbid – turbidity

Adjective – Noun

pest – pesticide sample – sampling

Noun – Noun Adjective – Verb

neutral – to neutralize

bacteriological – bacteriologically comparative – comparatively particular – particularly relative – relatively

to contaminate – contaminated to dissolve –dissolved to pollute – polluted to suspend – suspended

Adjective – Adverb Verb – Participle II

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to identify – identified

to treat – (un)treated

Compound Nouns / Adjectives

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