The answer to this question is:
Sentence 3
Stating that "they want people to slow way on down" does not have a clear message. Certain words need to be added and removed to make this understandable. Therefore, sentence 3 messes with the tone of the paragraph.
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The answer is sentence fragment
Maggie's question, <span>“How does exposure to the environment affect recyclable plastics?” implies that recyclable plastics are an important resource being affected by environmental exposure. Since recyclable plastics were developed with environmental affects in mind, a better scientific question would swap "the environment" with "recyclable plastics" to ask "How do recyclable plastics affect the environment?"</span>
A <span> prepositional phrase modifies where an object is. For example: on the table. Or, next to the chair. </span>
