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  Question 8
Which answer below provides the best explanation for the following temperature record
Industrial pollution from factories, power plants, and cars caused global warming

a) Industrial pollution from factories, power plants, and cars caused global warming

Natural variations in global temperatures may occur in roughly 300-years cycles actually closer to 500 years

b) Natural variations in global temperatures may occur in roughly 300-years cycles actually closer to 500 years

Global cooling occurred as a result of the Renaissance Period

c) Global cooling occurred as a result of the Renaissance Period

 
Please make your selection: Your score will be tallied at the end of this quiz.
   a      b      c   
Produced with the assistance of Dr. Tim Ball & Tom Harris, B. Eng., M. Eng. (Mech.), Executive Director, International Climate Science Coalition.
CSCCC FCPP is a member of Civil Society Coalition on Climate Change.
For more information see www.csccc.info.
© Frontier Centre for Public Policy 2017.
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