The following pictograph shows the average number of wildfires in the United States between 2006 and 2012. Use this graph to answer in below Exercises.

1. Approximately how many wildfires were there in 2012?
2. In what years were the number of wildfires greater than 72,000?
3. What was the amount of decrease in wildfires from 2010 to 2012?
4. Give a possible explanation for the overall decrease in the number of wildfires since 2006.

Transcribed Image Text:

Wildfires in the United States 2006 2007 2008 2009 2010 2011 2012 12,000 fires Years