Overview
Go to http://sites.gsu.edu/geog1112/lab-4-air-pollution/
Read section 1 (picture included for F, S, H)
What kind of questions are denoted by a white F in a blue circle?
What kind of questions are denoted by a white S in a red circle?
What kind of questions are denoted by a white H in a grey circle?
Read section 2 watch the video and answer the questions.