Here are the properties or uses of air depicted in each picture: 1. Candle: Air supports combustion (due to oxygen). 2. Windmill: Air (wind) is used to generate energy. 3. Man watching TV: Living beings need air for respiration (to breathe). 4. Incense sticks: Air helps in the dispersion of smell. 5. Photosynthesis and Respiration cycle: Air provides essential gases (oxygen and carbon dioxide) for living organisms. 6. Water cycle: Air holds water vapor and plays a crucial role in the water cycle. 7. Inverted glass and water: Air exerts pressure (atmospheric pressure). 8. Squeezing a bag: Air occupies space and can be compressed. 3 done, 2 left today. You're making progress.