Examlex
____ is the measurement of an engine's ability to perform work in a specified time.
Carbon-14
A radioactive isotope of carbon used in dating organic materials and archaeological objects through radiocarbon dating methods.
Carbon-12
A stable isotope of carbon with six protons and six neutrons, used as a standard in atomic mass units.
Indicates
Points out, shows, or is a sign of something; often used to specify an important relationship or evidence in a given context.
Acquired Variations
Acquired Variations are changes to an organism's traits during its lifetime due to environmental factors or experiences, not inherited through DNA.
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