Answer:
Ecologist
Explanation:
An ecologist is a person that studies the relationships between the environment and a living thing. They also try to understand how human actions adversely affect the environment
Therefore, the designation of a professional that is called upon to help determine new ways for an existing manufacturing company to manage a local waterway and help preserve the wildlife that depend on it is the job of an ecologist.
The author's shift in tone between the paragraphs was a transition between B. exemplifying simplicity and demonstrating complexity identifying problems and proposing solutions.
<h3>What is tone?</h3>
In literature, it should be noted that that a tone simply means the word choice that influences the mood in a story.
In this case, the author's shift in tone between the fourth and fifth paragraphs was a transition between exemplifying simplicity and demonstrating complexity identifying problems and proposing solutions.
Learn more about tones on:
brainly.com/question/15447799
