1

Which of the following statements is true?

  1. Cool air sinks while warm air rises.
  2. Air flows from the cooler place to the warmer place.
  3. Air flows from the East to the West.
  4. Air flows from the high-pressure region to the low-pressure region.
    • 1, 2 and 3
    • 1, 2 and 4
    • 2, 3 and 4
    • 1, 2, 3 and 4