<span>a modifying phrase consisting of a preposition and its object. i think that is what you mean
.___.
( 0,o)
( )
" "</span>
example;
broad topic: Depression
narrowed topic: what causes depression?
Targeted question: What studies in the past have shown a direct correlation between substance abuse and depression?
That is a chemical change if your talking about gases
I personally think it’s : A prefix is placed before the root of a word; a suffix is placed at the end of the root ... hope This helps
