Вставьте пропущенные слова , данные ниже

1.Food processing goes back to ...
2. ... especially used salt-preservation.
3. Pasteurization was discovered by ...
4. Self cooking meals appeared in ...
5. The processed foods are based on ...

the late 20th century,the advancement of food science,Louis Pasteur in 1862,ancient Egypt,warriors and sailor.

1. Food processing goes back to  Ancient Egypt.

2. Warriors and sailors especially used salt-preservation.

3. Pasteurization was discovered by Louis Pasteur in 1862.

4. Self cooking meals appeared in the late 20th century.

5. The processed foods are based on the advancement of food science.