Question

what do comets and asteroids have in common?
they are made of ice.
they orbit the sun.
they are made of metal debris.
they are at the center of the solar system.

Explanation:

Comets and asteroids are both celestial - bodies in the solar system that orbit the Sun. Comets are made of ice, dust, and rock, while asteroids are mainly rocky or metallic. The Sun is at the center of the solar system, not comets or asteroids.

Answer:

B. They orbit the Sun.