Examlex
Discuss the basic principles of radiometric dating, including some description of both radiocarbon and radiopotassium methods.
Scientific Theory
A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experimentation.
Nonscientific Context
Situations or discussions that are not based on or related to the principles of science, often involving personal beliefs, cultural practices, or speculative ideas.
Four-legged Whales
Extinct early cetaceans that possessed four limbs, indicating a transitional phase in whale evolution from land to sea.
Indohyus
An extinct genus of even-toed ungulate that lived about 48 to 41 million years ago, believed to be an early relative of whales.
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