Which of the following would have a higher albedo on planet Earth? A. Dark blue ocean
B. White polar ice caps
C. Black asphalt
D. Green rainforest
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Which of the following would have a higher albedo on planet Earth? A. Dark blue ocean
B. White polar ice caps
C. Black asphalt
D. Green rainforest
The correct answer is B. White polar ice caps.
Albedo refers to the reflectivity of a surface; it is the fraction of sunlight that is reflected back into space. Surfaces that are lighter in color, like white polar ice caps, reflect more sunlight and therefore have a higher albedo compared to darker surfaces, such as dark blue oceans, black asphalt, or green rainforests, which absorb more heat and light.