The population of a country has tripled in the last 80 years. The population in 1960 was 10 M. On what year the population of the country doubled?

Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter2: Past, Present, And Future World Energy Use
Section: Chapter Questions
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The population of a country has tripled in the last 80 years. The population in 1960 was 10 M. On what year the population of the
country doubled?
Select the correct response:
none of the choices
2011
2005
2009
2021
Transcribed Image Text:The population of a country has tripled in the last 80 years. The population in 1960 was 10 M. On what year the population of the country doubled? Select the correct response: none of the choices 2011 2005 2009 2021
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