| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
smog | arrow_right_alt | substances that contaminate the environment and can harm people |
ozone | arrow_right_alt | fog that has mixed with smoke and chemical fumes |
pollutants | arrow_right_alt | any form of precipitation that includes particles containing acid |
acid rain | arrow_right_alt | gas made up of oxygen that naturally exists high above Earth’s atmosphere |