The Monitor's Weekly News Quiz for June 5-10, 2011

How closely do you follow world events? Test your news knowledge – from the obvious to the obscure – with our photo quiz.

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1. Arizona is facing the second-largest wildfire in its history. What do scientists say is the reason for the fire's severity?

A century of fire suppression – whether due to environmentalists suing to cut back on logging or overzealous firefighters – has resulted in overgrown ponderosa pine forests. Either way, Western forests that once had 50 trees per acre now my have hundreds, even thousands. And forest floors are choked with tinder-dry brush.

A century of fire suppression – whether due to environmentalists suing to cut back on logging or overzealous firefighters – has resulted in overgrown ponderosa pine forests. Either way, Western forests that once had 50 trees per acre now my have hundreds, even thousands. And forest floors are choked with tinder-dry brush.

A century of fire suppression – whether due to environmentalists suing to cut back on logging or overzealous firefighters – has resulted in overgrown ponderosa pine forests. Either way, Western forests that once had 50 trees per acre now my have hundreds, even thousands. And forest floors are choked with tinder-dry brush.

A century of fire suppression – whether due to environmentalists suing to cut back on logging or overzealous firefighters – has resulted in overgrown ponderosa pine forests. Either way, Western forests that once had 50 trees per acre now my have hundreds, even thousands. And forest floors are choked with tinder-dry brush.

Overpopulation

 

Climate change

 

Water shortages

 

Forest density

 
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