Multiple Choice
The nucleus of a comet is mostly
A) solid ice.
B) solid rock.
C) liquid water.
D) a porous mix of ice and dust.
E) frozen carbon dioxide.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q72: In its 1986 trip around the Sun,
Q73: How might impacts have helped increase Earth's
Q74: Pluto is classified as a dwarf planet
Q75: Comet nuclei, absent their tails, are very
Q76: Describe two challenges faced by astronomers in
Q78: The image of asteroid Vesta, shown in
Q79: Remnants of volcanic activity on the asteroid
Q80: Carbonaceous chondrite meteorites are fragments of which
Q81: Iron meteorites are fragments of which type
Q82: When combined, asteroids in the asteroid belt