Time Left: 600 sec

1. What contributed in the current structure of the earth?

2. Which of the following is one of the statuses of current atmospheric conditions?

3. What is the gas that comes from the earth to the ground called?

4. How old are the oceans are?

5. What are galaxies called?

6. What is the age of planets and stars?

7. How does a galaxy form?

8. What is the speed of light?

10. What is the distance between earth and sun?

11. What is interwoven in stars and nebulae?

12. How was the rotating disk formed?

13. Who evolved into asteroids?

14. What did gents jesse and later haroldjeffery advocate?

15. Which theory identifies logic?

16. Which researcher stated that the sun is composed mainly of hydrogen, helium and dust?