Examlex
Wants are the form human needs take as they are shaped by culture and individual personality.
Terrestrial Radiation
The naturally occurring radiation from radioactive materials in the soil, rocks, and atmosphere.
Earth's Crust
Earth's crust is the outermost layer of the Earth, consisting of rocks and minerals, and constituting less than 1% of Earth's volume.
Radioactive Materials
Substances that emit radiation due to the spontaneous breakdown of atomic nuclei, used in energy production, medicine, and industry.
Cosmic Radiation
High-energy particles, primarily originating from outside the solar system, that travel through space and can affect Earth and spacecraft.
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