Compare the student text with the source.
Source: John Timmer, ‘The technical advances that could make wind power viable everywhere’. Published on Ars Technica, 1 Jun. 2015.
Enough wind power has been installed in the US to avoid 115 million tonnes of carbon emissions in 2013 alone. Despite that progress, wind currently accounts for less than five percent of the total electricity generated in the US.
Student text:
Wind power, which helps reduce carbon emissions, ‘accounts for less than five percent of the total electricity generated in the US’ (Timmer).
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