10. The movement of air from the land toward the ocean due to local temperature and pressure differences is a A. sea breeze Bland breeze C. mountain breeze D. monsoon
11. The layers of the atmosphere are classified according to changes in A. altitude B. temperature C. air pressure D. pollutants
12. Most air pollution is caused by A ozone B. acid rain C. photochemical smog D. burning of fossil fuels
13. The impact on the planet due to global warming is called... A. climate change B. the seasons C. the weather D. natural change
14. Which of the following statements is true about wind's motion/movement? A. Air moves from the higher pressure area to the lower pressure area. B. Air moves from the lower pressure area to the higher pressure area. C. Air moves either from lower pressure or from higher pressure area. D. Cannot be determined.
20. Which of the following statements is true about Air Temperature?
A. Hot air is denser than cold air, so it rises B. Hot air is less dense than cold air, so it rises C Neither A nor B. D Hard to determine