Answer:
1. In basketball, traveling is a violation of the rules that occurs when a player holding the ball moves one or both their feet illegally. Traveling is also called, predominantly in a streetball game, "walking" or "steps".
2. polystyrene. polystyrene, a hard, stiff, brilliantly transparent synthetic resin produced by the polymerization of styrene.
3. Revolution of Earth
Earth revolves in orbit around the sun in 365 days, 6 hours, 9 minutes with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s. The 6 hours, 9 minutes adds up to about an extra day every fourth year, which is designated a leap year, with the extra day added as February 29th.
