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Olegator [25]
3 years ago
14

Why are there different theories about the effects of global warming? a. There is no data to support global warming. b. Global c

limate is complex, so changes in global climate are hard to predict. c. Increased levels of carbon dioxide are offset by other changes. d. There has been a decrease of extreme weather.
b
Chemistry
1 answer:
marin [14]3 years ago
3 0
Option B: 
Global climate is complex, so changes in global climate are hard to predict. 
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