Answer: Longitudinal study.
A longitudinal study is one that involves repeated observations of the same variables over a period of time (in the example, it was four years). The opposite type of study is a cross-sectional study (one that looks at the variables at a given moment).
Answer:
outside
Explanation:
Based on the scenario being described within the question it can be said that Cease PCB Dredging is engaging in outside lobbying. This term refers to activities that focus on mobilizing constituents and other individuals that are not part of the policy-making community in order to put pressure on the policy makers to make a certain decision regarding something. Such as stoping the activity in this case.