Examlex
For every 100 40K atoms that decay, what percentage becomes 40Ar (Argon) , an inactive gas that can easily escape from its present material by diffusion when lava and other molten rocks are formed?
Cosmology
The study of such questions as how the universe came into being, the nature of space and time, and the dimensions of the universe.
Ontology
A branch of metaphysics concerned with the nature and relations of being or existence.
Cosmos
An orderly, harmonious systematic universe, often used in contrast to chaos.
Descartes
A French philosopher, mathematician, and scientist who is considered the father of modern western philosophy, famously known for the statement, "I think, therefore I am."
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