Question 26 point) There's a sharp difference of opinion among scientists about global warming and the risks it may pose. A few scientists say that global
warming is not a serious issue. Other scientists feel that rising levels of carbon dioxide could trigger a sharp change in the Earth's climate
Based on the opinion of scientists it may be concluded that (1 point)
O a
there is only one proven risk of global warming
Db
there are several new ideas about the risks of global warming
all scientists give invalid opinions about the risks of global warming,
no scientist can give a valid opinion about the risks of global warming