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The high reflection of sunlight from snow and glacier surfaces, which retards the speed of the water cycle, is called?

Answer and explanation

Correct answer: Albedo effect

The correct answer is B, the albedo effect. Albedo means the fraction of incoming sunlight that a surface reflects. Fresh snow and glacier ice are bright surfaces, so they reflect a large amount of solar energy instead of absorbing it. Because less energy is absorbed, the snow and ice warm and melt more slowly. This influences the water cycle because melting supplies water to streams, rivers, and groundwater. A, refraction, is the bending of light when it passes from one medium to another; it does not describe strong surface reflection. C, absorption, means taking in energy, which is the opposite of the main idea here. D, radiation, is the transfer of energy through electromagnetic waves and is a broad process, not the specific measure of reflectivity. Memory cue: high reflection means high albedo.

Related tags

AlbedoGlacierWater CycleHydrological CycleThe Living WorldBiologyClass 11 Mcq

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