How did the solar system form how did the planets form

Question

1. How did the Solar System form?
2. How did the planets form?
3. Where did Earth's ocean come from and approximately when did it form?
4. How would Earth be different without water?
5. What drove the earliest marine exploration?
6. How do scientists "Do" science?
7. What causes a greenhouse effect?
8. Why weren't the first organisms capable of photosynthesis?
9. Why was the Challenger expedition so important to the development of oceanography?
10. What are some of the developments that made navigation at sea easier?
11. How do bathymetric contour maps represent the shape of the sea floor?