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Earth & Natural Systems

If ice sheets experience increased melting, which consequence follows?

A)Increased thermohaline circulation strength
B)Decreased atmospheric methane concentration
C)Decreased planetary albedo overall
D)Increased shortwave radiation reflection

💡 Explanation

As ice sheets melt, highly reflective ice is replaced by darker land or water, decreasing the overall albedo. Because albedo is the measure of reflectivity, less reflection will occur; therefore the planetary albedo decreases, rather than increasing reflected shortwave radiation or affecting ocean circulation directly.

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