Kyoto was not supported by the Stephen Harper government in Canada.

When melting forms magma:

A) rocks in the source region generally are completely melted
B) partial melting produces a magma that is more felsic than the source
C) melting of the mantle generally produces felsic magma
D) melting of continental crust generally produces mafic magma
E) none of these

What might be an outcome of large-scale clear-cutting? 

A)  increased biodiversity 
B)  decreased water pollution 
C)  flood prevention 
D)  habitat fragmentation

What would likely occur in a warmer world? 

A)  fewer droughts 
B)  more hurricanes 
C)  fewer deserts 
D)  fewer heat waves

Which type of plant are agricultural experts developing in order to increase food production? 

A)  plants that do not require any water 
B)  plants that do not require light 
C)  plants that make their own inorganic fertilizer 
D)  plants that grow in salty soil

The asthenosphere is beneath the:

A) lithosphere
B) mantle
C) outer core

Who is the largest greenhouse gas emitter? 

A)  Japan 
B)  the United States 
C)  China 
D)  the European Union

When does leaching occur? 

A)  when water removes soluble soil components 
B)  when humus is dissolved 
C)  when organic compounds slowly decay 
D)  when rock is shattered by frost action

The ________________________________________ may not be an efficient method of reducing emissions because it creates incentive to cheat and would have to be carefully monitored.