Pronouns are words that take place of nouns.
Examples:-
He, She, you, her
1. A, there is no mention of environmental help.
2. B, since this seems to be informational
Not sure if this would be correct.
Harry, had sadly realized that he would no longer see his Freud’s this year.
Finally, the sun seemed to shine through the clouds.
Sure, but we don’t need that from technology!