Sea breeze, a local wind system characterized by a flow from sea to land 

A flag mounted on a flag post near the sea coast flutters in
the direction of sea. At what time of the day does
this happen at midnight or in the afternoon?

State whether the following statements are True or False:

i) If wind flows from land to the ocean, then it is daytime.

ii) A very high-pressure system, with very high-speed wind surrounding it forms a cyclone.

iii) The coastline of India is not vulnerable to cyclones. 

iv) Warm air is lighter than cool air.