Answer:
Step-by-step explanation:
A meteoroid is an inevitably solid object ranging in size from 10 microns to 1 meter moving in interplanetary space. Meteoroids can be primary objects, as well as derivative fragments of larger celestial bodies (not only asteroids).
The example of the first student does NOT correspond to reality:
1. "A comet is mainly composed of ice and dust, and a meteoroid is composed of debris of comets and sometimes debris of asteroids."