Examlex
The poverty rate is the percentage of the population whose family income falls below an absolute level called the .
Mountains
Large natural elevations of the Earth's surface, rising abruptly from the surrounding terrain and often characterized by high peaks and significant altitude differences.
Solar Radiation
The energy emitted by the sun, including ultraviolet, visible, and infrared light, which reaches Earth and influences climate and weather patterns.
Earth's Climate
The average weather conditions, including temperature, precipitation, and wind, in a region over long periods of time.
Permafrost
Permanently frozen ground that occurs in high latitude or altitude regions.
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