James Zachos, a professor in Santa Cruz California, said the speed of the present buildup of greenhouse gases is far greater than during the global warming after the ______ of the dinosaurs.

Other transformations in the retail business are ______ to follow the trend of Amazon.

During America's last Thanksgiving weekend, Amazon's sales of consumer electronics in the United States ________ its book sales for the first time in its history.

The stores run by Sony and Apple, for instance, are there for people to try out _______ and to ask questions to knowledgeable staff.

"This will be the same amount of carbon released into the atmosphere from cars and industrial emissions over the next 300 years if present ____ continue", Zachos said.

A study comparing the rate at which carbon dioxide and methane are being _______ now, 55 has found dramatic differences in the speed of release.

If customers are disappointed, a few _____ of the mouse will take them to places where they can let the world know.

The ocean is capable of removing carbon, and quickly, but this natural process can be easily ______.

There can be no ______ that online shopping is of huge benefit to the consumer.

Online traders must also adjust. Amazon, for one, is ______ turning from being primarily a bookseller to the go to shop for everything.

Far from becoming ______ online shoppers are very demanding.

Zachos warned that studies of global warming events in the geological past _______ we are reaching dangerous new levels.