Answer:
a) Are there any road salts that aren't harmful to vegetation.
b) There is a road salt that's less harmful to vegetation.
c) The type of salt.
d) The harm to the vegetation.
e) The vegetation type.
Explanation:
Sorry that's as far as i can go tonight I'm tired:(
I narrowed it down to B and D. Going to say D though
Where the choices?........
