Q: The global temperature and CO₂ concentration for the last eight lakh years were deduced mainly from which one of the following?
(a)Fossil fuel
(b)Tree annual ring
(c)Ice coring in tropical mountain peaks
(d)Ice coring in the Antarctic Plateau
Correct Answer: (c)
The correct answer is (c): Ice coring in tropical mountain peaks. Subject: Geology & Geophysics | Sub-topic: General Geology Note: This answer was determined through AI-based research. Verify against the official answer key when available.