Tone
-because the tone is how someone says something.
Yes.
Language affects the way we think about things. Different languages embed diferent values and perspectives, so knowing more than one langage tends to help a person think about things in more than one way.
The smooth mountain rock surface makes a higher runoff rate than a vegetation surface. Differ form soil; mountain rocks have small fractures in the surface that absorb a little water but not that much.
You said it's free response and all we had to do was answer so here's me doing the bare minimum. Lol.