The two factors that increase the heat absorbed by a land surface are:
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Removing plants - This can increase heat absorption because vegetation typically reflects more sunlight and has a cooling effect through processes like transpiration. Without plants, the surface can absorb more heat.
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Removing snow - Snow has a high albedo, meaning it reflects a significant amount of sunlight. When snow is removed, the darker surface underneath typically absorbs more heat.
So the correct answers are "removing plants" and "removing snow."