Its when you dont add commas , periods etc..
example --- the kid went out and play with his friends and he also forgot to come home on time he got in trouble and he cant do anything.
there is many commas missing that is a run on.
You need to add where we find the answer from.. repost a question with a picture to this question
Answer:
The answer is C
Explanation:
C) The dog wanted to jump into the water, but the owner wouldn’t allow it
