Examlex
A _________ is used to prevent attenuation when packets are traveling long distances.
Arctic
A polar region located at the northernmost part of Earth, characterized by extreme cold, ice-covered seas, and unique ecosystems adapted to cold environments.
Soils
The top layer of the earth's surface, composed of mineral particles, organic matter, water, and air, and capable of supporting plant life.
Grasslands
Large, open areas where the dominant vegetation consists of grasses, often found in regions with moderate to semi-arid climates.
Biological Magnification
The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.
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