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Verbal Reasoning
Verbal Reasoning
Medium
Which of the following statements is correct?
A
Aerobic conditions in drained soils encourage higher methane yields than waterlogged environments, reversing the expected gas production patterns.
B
Permafrost thaw invariably releases only methane, as carbon dioxide is never produced during microbial decomposition of organic matter.
C
Permafrost thaw typically increases methane emissions, since the decomposition of trapped organic matter primarily generates this potent greenhouse gas.
D
Deepening thaw could reduce the proportion of methane relative to carbon dioxide as drained soils limit anaerobic decomposition.
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