Q: The Earth's climate sensitivity is conventionally defined as the equilibrium temperature increase caused by a doubling of carbon dioxide.
(a)imperviousness
(b)willingness
(c)responsiveness
(d)closeness
Correct Answer: (b)
The correct answer is (a): imperviousness. Subject: English Language | Sub-topic: Grammar & Vocabulary Note: This answer was determined through AI-based research. Verify against the official answer key when available.