Ocon leaves, Leclerc becomes a dad, Mexico at 2,286 m: how much do you know about this week's F1 news?

Seven quick questions from the latest Formula 1 news: the Haas driver change, Leclerc's family joy, Mexico's altitude and the 2026 engines. How well did you follow?

1. Which team is Esteban Ocon leaving for good?
2. Which team did Haas poach Ocon's 21-year-old replacement from?
3. Why did Charles Leclerc fly home from the Brazilian weekend?
4. Roughly how high above sea level is the Mexico City circuit?
5. The absence of which component makes manufacturers fear significant turbo lag with the 2026 engines?
6. Who replaced Daniel Ricciardo at RB after the 2024 Singapore Grand Prix?
7. How many times has Lewis Hamilton been world champion?