Examlex
Which of the following objects is not a close approximation of a thermal emitter?
Geologic Timescale
A system of chronological dating that relates geological strata to time, used by geologists to describe the timing and relationships of events in Earth's history.
Cenozoic
The current geological era, beginning about 66 million years ago, characterized by the significant development of mammals and birds following the extinction of dinosaurs.
Environmental Change
The alteration of the environment due to natural processes or human activities.
Sparse Resources
Refers to limited or scarce natural assets or commodities that are not abundant enough to meet demand.
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