Examlex
Evaluate the triple integral in cylindrical coordinates, where .
Sea Bottom
The lowest part of a sea or ocean, consisting of sediment and the underlying bedrock.
Time Period
A length of time during which a sequence of events occurs, often used to identify historical or geological eras.
First Organisms
The first organisms refer to the earliest forms of life on Earth, which are believed to be simple, single-celled organisms that appeared billions of years ago.
Trilobites
Extinct marine arthropods with a hard exoskeleton, which lived between the Cambrian and Permian periods, serving as important index fossils.
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