What are the five dwarf planets in our solar system?
A. Charon, Hydra, Nix, Kerberos, and Styx
B. Ceres, Pluto, Haumea, Makemake, and Eris
C. Ganymede, Titan, Callisto, Europa, and Triton
D. Mars, Venus, Saturn, Jupiter, and Mercury
Answer: B. Ceres, Pluto, Haumea, Makemake, and Eris