Examlex
Identify which of the following statements is true.
End-Permian Extinction
The largest mass extinction event in Earth's history, occurring around 252 million years ago and resulting in the extinction of a significant proportion of marine and terrestrial species.
UV-B Radiation
A portion of the ultraviolet spectrum with wavelengths from 280 to 315 nanometers, known for its biological effects, including DNA damage and vitamin D synthesis in skin.
Acid Rain
Precipitation with a pH lower than normal, resulting from atmospheric pollution that causes environmental harm.
Adaptive Radiation
A process in which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.
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