6. Some climatologists dismiss as (i)_____ the debate among geophysicists over the role of carbon
dioxide in global climate change across many millions of years. These climatologists say the
evidence of a tie between carbon dioxide and planetary warming over the last few centuries is so
(ii)_____ that any longer-term evidence against such a link must somehow be (iii)______.
A. unavoidable D. unlikely G. tainted
B. irrelevant E. controversial H. accommodated
C. undecidable F. compelling I. reinforced