Which of the following statements about land breeze and sea breeze is/ are correct?1. A land breeze is created when the land is cooler than the water such as at night and the surface winds have to be very light.2. Usually land breezes are light and reach only 5 to 8 knots.3. A sea breeze is created when the surface of the land is heated sufficiently to start air rising.4. Sea breezes tend to be much stronger and can produce gusty winds as the sun can heat the land to very warm temperatures.

The standard pressure at sea-level is 1013.25 in both millibars (mb) and hectopascal (hPa).

The number of molecules in the atmosphere decreases with height.