Monday, October 1, 2012

Paraphrase sentence example

By 1938, humans had already added 150,000 million tons of CO2 to the atmosphere (Callendar 33).

 In his essay, Callendar reported that by 1930 humans had already added 150,000 million tons of CO2 to the atmosphere.

1 comment:

  1. I would like to see more posts in near future.

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