Yes
The sport of windsurfing combines both sailing and surfing.
No.
The sport of surfing.
her favorite sport is surfing
her favorite sport is Surfing
Surfing
Surfing
Surfing.
surfing
The sport of wind surfing does not affect tides.
Yes, surfing is a very popular sport in Australia.
There are many places to learn about the sport surfing. Probably the best way to do so would be to purchase a book on the sport at your local bookstore.