Chapter 16 Invisible Borders Review

What was the major cause of the power plant explosion at Chernobyl?

• brain drain
• human error
• extreme weather
• centrifugal force

Which of these was the main pollutant released by the Chernobyl power plant explosion?

• cyanide
• nitrogen oxide 
• nuclear radiation
• . sulfur dioxide

The map below best illustrates which of the following problems? 

• water pollution
• transboundary pollution
• toxic-chemical pollution
• general pollution

Which of these is a major cause of acid rain?

• spraying pesticides on crops
• . burning fossil fuels for energy
• dumping sewage in river systems
• using uranium to generate electricity

Which one of these is not a direct result of acid rain?

• damage to monuments
• . dying fish
• spread of disease
• weakened trees

Power plants and factories in Europe’s “Black Triangle” are doing which of these to reduce acid rain?

• switching to coal as a fuel 
• building taller smokestacks
• stopping work on windy days 
• installing smokestack scrubbers

How did the accidental spill of cyanide at a mine in Romania spread to neighboring countries?

• Winds blew cyanide to other countries.
• Rivers carried cyanide to other countries.
• Crops poisoned with cyanide were sold in other countries.
• Storms dropped rain poisoned with cyanide on other countries.

The Tisza-Danube cyanide spill is an example of all of the following except

• general pollution.
• accidental pollution.
• point-source pollution.
• transboundary pollution.

The word transboundary means

• spreads to other countries
• different types of pollution
• radiation
• across country boundaries

a river and all the streams that flow into it. The streams that flow into a river are called tributaries

• acid rain
• general pollution
• accidental pollution
• river system