Question: question 3 according to the 2007 intergovernmental panel on climate...

QUESTION 3

1. According to the 2007 Intergovernmental Panel on Climate Change, the planet’s temperature is rapidly rising. The panel pointed out that the past eleven out of twelve years have been the warmest on record. What is considered to be the cause of this warming?

   		geologic trends that have been occurring since the origin of geologic time
   		human activity, such as human-caused greenhouse gas emissions
   		animals emitting methane gas
   		all of the above
   		none of the above