1. • EARLY THEORIES

-Origin of the earth

• 1) Nebular hypothesis
• 2) Binary theories
• 3) Revised `Nebular hypothesis ʼ

•MODERN THEORIES

-Origin of the universe

• 1) Big bang theory
• 2) The Star formation
• 3) Formation of stars
• 4) Our Solar system
• 5) The moon
• 6) Evolution of the earth
• 7) Evolution of the lithosphere
• 8) Evolution of Atmosphere and Hydrosphere
• 9) Origin of life

5 One word / quick questions

13 questions ( Important marked with star)

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