The answer is
D. keeping track of characters, events, and idea in a story
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Answer:
I do believe that roller coasters are safe. Roller coasters tend to be much safer than even a simple car ride. There are much more car accidents, more than roller coaster accidents as well. Therefore, I am convinced that roller coasters are safe.
Explanation: The most dangerous ride you'll take during your day at a theme park is the the car ride to and from the park. In 2015, the National Highway Traffic Safety Administration reported 37,133 fatalities on America's roadways.
D. in the refrigerator is correct