Ecology And Sustainable Development at Technische Universität Wien | Flashcards & Summaries

Lernmaterialien für Ecology and Sustainable Development an der Technische Universität Wien

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The European Union (EU-27) has ca. ... of the world population.

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3%

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The number of internet users has increased during the last 20 years by a factor of ...

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10

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The temperature in the core of our earth is about ... degrees.

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2.000

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Global fish catches amount to ... tons.

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40 million

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... of the global land surface are covered with forests.

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10%

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Seawater in respect to its pH-value is ...

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neutral

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The major techniques (presently under development) to produce hydrogen in very large quantities as a basis for a "hydrogen economy" are:

~2 answers

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  • high efficiency electrolysis at high temperatures (800 degrees) - electricity from wind and sun
  • catalytic thermochemical production - using concentrated solar power + nuclear reactors 
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The two major scientific achievements after World War II leading to the Third Industrial Revolution are:

~2 answers

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  • invention of the transistor
  • clarification of the sturcture of the DNA
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The three countries holding the largest colonial empires were:

~3 answers

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  • England
  • Spain
  • France
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Key innovations of the second industrial revolution:

~5 answers

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  • modern steel production -> railways
  • electricity -> radio, electric lightning, telephone
  • combustion engine -> automobiles
  • pharmaceuticals -> modern medicine
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The different layers of the atmosphere are called (from bottom to top):

~4 answers

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  • Troposphere
  • Stratosphere
  • Mesosphere
  • Thermosphere
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The very high dipole moment of the water molecule gives water special important properties:

~3 answers

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  • liquid state at normal environemental temperatures due to high cohesive forces
  • high solubility for nutrients and gases (z.B. O-2) due to strong interaction with other polar molecules
  • reduction of temperature extremes on earth due to high heat capacity
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  • 28338 Karteikarten
  • 1250 Studierende
  • 55 Lernmaterialien

Beispielhafte Karteikarten für deinen Ecology and Sustainable Development Kurs an der Technische Universität Wien - von Kommilitonen auf StudySmarter erstellt!

Q:

The European Union (EU-27) has ca. ... of the world population.

A:

3%

Q:

The number of internet users has increased during the last 20 years by a factor of ...

A:

10

Q:

The temperature in the core of our earth is about ... degrees.

A:

2.000

Q:

Global fish catches amount to ... tons.

A:

40 million

Q:

... of the global land surface are covered with forests.

A:

10%

Mehr Karteikarten anzeigen
Q:

Seawater in respect to its pH-value is ...

A:

neutral

Q:

The major techniques (presently under development) to produce hydrogen in very large quantities as a basis for a "hydrogen economy" are:

~2 answers

A:
  • high efficiency electrolysis at high temperatures (800 degrees) - electricity from wind and sun
  • catalytic thermochemical production - using concentrated solar power + nuclear reactors 
Q:

The two major scientific achievements after World War II leading to the Third Industrial Revolution are:

~2 answers

A:
  • invention of the transistor
  • clarification of the sturcture of the DNA
Q:

The three countries holding the largest colonial empires were:

~3 answers

A:
  • England
  • Spain
  • France
Q:

Key innovations of the second industrial revolution:

~5 answers

A:
  • modern steel production -> railways
  • electricity -> radio, electric lightning, telephone
  • combustion engine -> automobiles
  • pharmaceuticals -> modern medicine
Q:

The different layers of the atmosphere are called (from bottom to top):

~4 answers

A:
  • Troposphere
  • Stratosphere
  • Mesosphere
  • Thermosphere
Q:

The very high dipole moment of the water molecule gives water special important properties:

~3 answers

A:
  • liquid state at normal environemental temperatures due to high cohesive forces
  • high solubility for nutrients and gases (z.B. O-2) due to strong interaction with other polar molecules
  • reduction of temperature extremes on earth due to high heat capacity
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