Relative to glacial mass balance, which of the following is incorrect?
A. A positive net balance occurs during a cold period, and a negative net balance occurs during a warm period.
B. Glacial mass is reduced by evaporation, sublimation, and deflation.
C. Glacial mass is reduced by a combination of processes called ablation.
D. Worldwide, most glaciers are showing marked net increase in mass at present.
Answer:D
Relative to glacial mass balance, which of the following is incorrect?
A. A positive net balance occurs during a cold period, and a negative net balance occurs during a warm period. B. Glacial mass is reduced by evaporation, sublimation, and deflation. C. Glacial mass is reduced by a combination of processes called ablation. D. Worldwide, most glaciers are showing marked net increase in mass at present.