Final answer:
Albedo measures how much solar radiation is reflected or absorbed by a surface. An iceberg has the lowest albedo among the options provided due to its high reflectivity.
Explanation:
Albedo is the ratio of solar radiation a surface reflects or absorbs. Higher albedo means more reflection, while lower albedo means more absorption. For the options provided, an iceberg would have the lowest albedo as ice and snow have high reflectivity.
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