The three correct answers regarding the relationship between nebulae and stars are:
- Stars form from nebulae.
- Nebulae form from stars.
- Stars explode to form nebulae.
These statements reflect the life cycle of stars and their interconnectedness with nebulae. Stars are born in nebulae, may contribute to the formation of new nebulae when they die, and nebulae can also form from the remnants of exploded stars.