Question

aud = \hear\ auto = \self\ mob = \move\ based on the list of word roots, what is the correct spelling of a word that means \a vehicle that moves by itself\?
o autamobile
o audimobile
o automobile

Explanation:

We know that "auto -" means "self" and "mob -" means "move". A vehicle that moves by itself combines these roots as "automobile". The other options mis - use the root "aud" which means "hear".

Answer:

C. automobile