Ответ:

1) is one of the oldest food traditions in Japan.

2) 5th century when people used to take a packed lunch with them to work.

3) almost anywhere nowadays at theatres, airports and even at train stations.

4) four parts rice, three parts meat or fish (fried or grilled), two parts vegetables (pickled, boiled or steamed) and one part fruit.

5) like flowers, animals and sometimes even cartoon characters!

6)easy to eat with chopsticks or the fingers, portions should be small and it should be pleasing to the eye.