It depends if you are writing a personal one, a persuasive one, an argumentative one, historical one, etc.
Answer: Procrastinate-delay or postpone action; put off doing something
Procrastination-the action of delaying or postponing something
Explanation:
none.
It is definitely the first one
Answer:
No clear subject!
Explanation:
This is because typically dangling modifier never make sense when you put them together and there is no clear object this is why!
Any questions?
Answer:
the answer is the second one
Explanation:
did the assignment