Void means that something has no legal force. In other words is is not able to be used. For example, a void check. With a void check you cannot legal take money.
I think it's the first one. Throughout the story we see Becky struggling with the idea that she might fail this time. Really she is making the possible outcome seem worse than it actually is (the outcome being that she could fail the test again), and Justin helps her calm down and realize that it really isn't that big of a deal if she doesn't pass.
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.