The three largest asteroids are:
A) Pluto, Sedna, and Quaoar.
B) Deimos, Phobos, and Athos.
C) Ida, Gaspra, and Mathilde.
D) Ceres, Pallas, and Vesta.
E) Halley, Hale-Bopp, and Hyakutake.
Question 2
When we say that jovian planets contain significant amounts of hydrogen compounds, we mean all the following chemicals except
A) water.
B) carbon dioxide.
C) ammonia.
D) methane.