When a Previous Visitor to Amazon

question 153

Multiple Choice

When a previous visitor to Amazon.com returns to the site, the online retailer will instantly know whether that visitor made a previous purchase based on the ___________ it placed on the visitor's computer during the first visit.

• A) institution
• B) reminder
• C) cooperative
• D) cookie
• E) allowance

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Definitions:

David Raup

A notable paleontologist who made significant contributions to the understanding of patterns of extinction and the dynamics of biodiversity over geologic time.

Permian Extinction

A massive extinction event occurring about 252 million years ago, marking the boundary between the Permian and Triassic periods, and resulting in significant loss of species.

Carbon Dioxide Levels

The concentration of CO2 in the Earth's atmosphere, an important factor influencing climate change and global warming.

Marine Diversity

The variety and variability of life forms within ocean habitats, ranging from microscopic plankton to large marine mammals.