<h2>
Answer:</h2>
A. by repeating the installation steps described in the document and referring to the diagram
<h2>
Explanation:</h2>
The last sentence under "Keeping It Clean" says "If the filtration system does not start when plugged in, repeat the installation steps. If it still does not work, consult your aquarium store." This is pretty much what answer A says.
Here's a photo of Edge just incase, have a good one.
D. All of the above. I hope this helps!
Yes and no depending on how strong if an argument and the topic
Is there a book that goes with it because that’s just a picture and could mean anything
the answer to this question is A