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← GeographyWhich outcome occurs when significant tephra deposition blankets vegetation?
A)Decreased albedo altering regional climate✓
B)Increased photosynthesis enhancing carbon sequestration
C)Amplified evapotranspiration reducing flooding risks
D)Enhanced soil fertility accelerating plant growth
💡 Explanation
Decreased albedo occurs because tephra's dark color reduces solar radiation reflection, leading to warming via radiative forcing, rather than enhancing plant growth or altering water cycles; positive radiation balance is the mechanism. Therefore, less light is reflected.
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