Семестрова контрольна робота спеціальність 101 Екологія

Name the layer of the Atmosphere:

"This is the layer of the atmosphere closest to the Earth's surface, extending up to about 10-15 km above the Earth's surface. It contains 75% of the atmosphere's mass"

Name the layer of the Atmosphere:

"The highest layer, is extremely thin and is where the atmosphere merges into outer space. It is composed of very widely dispersed particles of hydrogen and helium"

Name the layer of the Atmosphere:

"This layer contains a thin layer of ozone molecules (with three oxygen atoms) which forms a protective layer shielding life on Earth from the Sun’s harmful ultraviolet radiation"

Choose the correct variants

Two gases make up the bulk of the earth's atmosphere:

Match the correct parts of statements:

Read the text and choose the statement:

"Water is necessary for life. All organisms contain it, some drink it and some live in it. Plants and animals require water that is moderately pure, and they cannot survive, if water contains toxic chemicals or harmful microorganisms. Water pollution kills large quantity of fish, birds, and other animals, in some cases killing everything in an affected area. "

Read the text and choose the correct statement:

"Pollution makes streams, lakes, and coastal waters unpleasant to swim in or to have a rest. Fish and shellfish harvested from polluted waters may be unsafe to eat. People who polluted water can become ill, if they drink polluted water for a long time, it may develop cancer or hurt their future children."

The Amazon rainforest is one of the largest .......                  [climate, ecosystems, global warming, greenhouse gases] in the world.

Ecologist ........          [devides, destroys, protects, saves] the Nature from pollutions and animals against poaches .

Ukraine is suffering from many ..........               [environmental, measurement, interesting, important]problems.

Read and choose the correct class of water pollution:

"Mercury, selenium, uranium, radium, cesium, etc. They get into the water from industries, automobile exhausts, mines, and natural soil. Its also become more harmful as they follow the food chain."

Read and choose the the correct class of water pollution:

"Oil, fuel, lubrication, plastics. They get into water by accidental spills from ships, tanker trucks and when there are leaks from underground storage tanks."

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