randomly, hunt and peck.
Most ground type Pokemon can learn it
Most of the electric,grass and psychic type can learn flash
Most electric type Pokemon can learn flash.
Practice
whenever. it doesn't matter. some people learn at a young age, but people can learn at any age.
90% of people learn the most when they attempt to teach it to others! - Source: Algebra I Honors teachers' poster ..
Semantic
umm i guess for essays?
2000
Most Normal type pokemon can learn it considering its a Normal type move. Also Electric type pokemon can learn the move as well.
Most Brazilians, like most other people, don't go anywhere to learn their native language. They learn it at home as infants and young children.
Most rock type Pokemon learn this move like Aerodactyl.