1. Which of the following times is closest to the age of the universe when our solar system formed? a. 0 years (they formed together), b. a million years, c. 10 million years, d. a billion years, e....

1. Which of the following times is closest to the age of the universe when our solar system formed? a. 0 years (they formed together), b. a million years, c. 10 million years, d. a billion years, e. 10 billion years

2. Pluto is most similar in composition to which of the following objects? a. Eris b. Jupiter c. our Moon d. Earth e. the Sun