Examlex
The laser used to read Blu-Ray discs have a wavelength of 405 nm.405 nm photons have of an energy of ________ J,and a mole of 405 nm photons has an energy of ________ kJ/mol.
Black Death
The devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-14th century, killing a large percentage of the population.
Maximum Average Human Life Span
The highest average length of time that a human being is expected to live, based on statistical measures.
Wealthy
Possessing a substantial amount of money, resources, or assets; being rich or affluent.
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