To modify something, we use an adjective. Like for example: The tree had an apple. Modified version: The "Big" tree had a "Red" apple.
Answer:
it is important for them to firm and provide guidance.
Explanation:
being there for you is a parents job. they are there to guide you and give you guidance when it is needed. they won't always be your friend, you may not like it but they do what they do for a reason.
The correct way to punctuate is seen in b:
<span>To whom it may concern:
</span>
In formal settings and when you don't know the exact identity of the person a dresses it is usual to use a colon in this situation.