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sammyraegarrett

Comets have tails asteroids don't.

Comets are made up of mostly ice.

Asteroids are made up of rock and debris.

manateegirl0416

Answer:

Asteroids are made up of metals and rocky material, while comets are made up of ice, dust, and rocky material. Both asteroids and comets were formed early in the history of the solar system about 4.5 billion years ago. Asteroids formed much closer to the Sun, where it was too warm for ice to remain solid.

Explanation:

I do flvs, these were my notes :)