The Four Outer (Giant) Planets Are Composed Largely of _______

Q8: The inner and outer planets have similar

Q9: From the small number of impact craters

Q10: Small _ are rocky or iron bodies

Q11: _ is the closest moon to Jupiter

Q12: A giant meteor impact crater is found

Q14: The moon has active volcanoes and plate

Q15: Biological processes have removed most of the

Q16: This star provides the energy that drives

Q17: The Moon's low average density tells us

Q18: Asteroids are generally rocky, solid bodies orbiting