In the years since this prize was first awarded, the entire
relationship between humankind and the Earth has been
radically transformed. And still, we have remained largely
oblivious to the impact of our cumulative actions. Indeed,
without realizing it, we have begun to wage war on the
earth itself.
-Al Gore, "Nobel Lecture," December 10, 2007
Which word from Al Gore's Nobel Prize acceptance speech gives the speech
the most formal style?
O
O
A. impact
B. realizing
C. cumulative
o o
D. war
