Answer:
it would be "How many children are affected by natural disasters every year?"
Explanation:
While the cousin would have experience with the other three and would therefor have answers, Unless she was a professional she would not know the answer to the third.
Personally, i think the topic should have several angles and for it to be specific
Are you asking what the narrator does? if so then the narrator explains whats going on in the story
The first option,
One thing that will help you, Katie, is to place all of your assignment due dates in a planner, or on a calendar.