place comma after technically.like this.
Technically, it refers to unusual sudden increase in Earth's average surface temperature over a shorter period of time flowing from anti-climate human activities.
there are some modifications in the second sentence,
This unusual warming trend has also been observed, which nearly doubled during last fifty years alone, and likely to accelerate more in the future
Last edited by marwatone; Friday, August 06, 2010 at 06:49 AM.
Reason: Posts merged.
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