Answer:
Answer: I think the writer's use of supporting materials was effective because it gave a good scenario of the problem caused by childhood obesity. His narrative was useful but can also be found to be a bit boring.
Another supporting material which he should have used was visual aids. A few pictures, and maybe even graphics would have essentially painted the perfect picture of the epidemic that is childhood obesity in America.
Explanation: Although the writer's narrative was very expressive, the speech would be much more comprehensive with the use of visual aids and statistical charts.
Step-by-step explanation:
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