Answer:
to run: infinitive
to sing: infinitive
to school: preposition
to college: preposition
to listen: infinitive
Explanation:
If to is followed immediately by a simple verb, it is part of an infinitive. If to is followed by a noun construction, it is a preposition.
C
Because
A.this is in the stratosphere
B.Thats the exosphere
D.this is from the ozone layer which is in the stratosphere
She hates when people stare at her
Or is the answer for your question