Examlex
The idea that the physical environment limits human actions but that people have the ability to adjust to that environment is called possibilism.
Radioisotope
A radioactive isotope of an element, used in various scientific applications including medicine and radiometric dating.
Stable Isotope
A non-radioactive form of an element’s isotope, which does not change or decay over time.
Radiation
The emission or transmission of energy in the form of waves or particles through space or through a material medium.
Protons
Positively charged particles found within an atom's nucleus, contributing to the atom's mass and defining the element.
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