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emitting (or giving off) radiation energy, which is harmful to living organisms.
when a nucleus is unstable and emits particles and energy.
(also called radioactive dating) a method of measuring the age of fossils based on how much...
a structure that is used by molluscs for feeding. It is a minutely toothed, chitinous ribbon...
discounted tariffs sometimes given to exporters in order to lower the costs of exported goods....
involving an equal likelihood that each outcome may occur.
the set of possible y-values (values of the dependent variable) for a function.
the difference between the highest and lowest values in a data set.
difference between the hottest and coldest temperature