Question

according to the nebula theory, approximately how old is our solar system?
○ a 13.8 billion years old
○ b 190 million years
○ c 25.7 years old
○ d 4.6 billion years old

Explanation:

The Nebula Theory describes the formation of the solar system, and scientific evidence (like radiometric dating of meteorites) confirms the solar system formed approximately 4.6 billion years ago. 13.8 billion years is the age of the universe, 190 million years is far too young, and 25.7 years is not plausible.

Answer:

d. 4.6 billion years old