The correct answer for the question that is being presented above is this one: "Looking through the boat's glass bottom, we saw brightly colored fish and even a small shark swim past us." The sentence that has a mismatch between subject and modifier is this "<span>Looking through the boat's glass bottom, we saw brightly colored fish and even a small shark swim past us."</span>
My favorite animal is a dog, because they are lovable, cute, and they are very smart and loyal. I have a dog at home, just for company. Dogs make really great friends. I hope this helps... :)