No, it is not a run on sentence.
What are the choices for this question?
Answer: Nothing anymore, but you need to take a minute to think and say "when did I have a moment I look back on and still smile about" you know? Think about family, friends, music, animals, etc. :)
Answer:
what you said? and people still use this?
Answer:
The sun
Explanation:
This is where the food cycle starts.