The answer is C. 4.6 billion years. Hoped I helped. :)
The sets of characteristics describe what we know about
the inner planets is that have rocky
surfaces, no rings, and few or no moons. The answer is letter C. Also, they are
smaller in sizes compared to the outer planets. The rest of the choices are
characteristics of the outer planets.
Answer: B. photosynthesis
Explanation: Glucose and oxygen react together in plant cells to produce energy.
