A physical activity is a game, sport, exercise or other action that involves moving your body, especially one that makes your heart beat faster while exercise is planned, structured, and involves repetitive bodily movements. So, basically, exercise is a physical activity.
International trade creates jobs by providing more positions depending on consumer demand, it shifts jobs by moving more people to a product that has a higher demand.
The differences between literate is when someone knows how to read, write and speak. A person who’s illiterate is the complete opposite of an literate person.