Scientists have discovered that Volatile Organic Compounds (VOCs) emitted from trees can contribute to photochemical smog formation. Data in the table above were collected in 2006 and 2014 in Berlin, Germany. Isoprene is a VOC released by some tree species. Impact factor refers to the percentage of ozone attributed to the isoprene. Which of the following best describes the relationship between variables in the data table?
A) Impact factor causes a change in temperature maximum.
B) Isoprene levels vary depending on traffic and urbanization.
C) Ozone maximum is correlated to average and maximum temperature.
D) Changes in average temperature are linked to changes in land use in Berlin.