Answer:
A) Case study.
Explanation:
Case study is a process or record of research into the development of a particular person, group, or situation over a period of time.
It is basically a research strategy and an empirical inquiry that investigates a phenomenon within its real-life context.A case study is a descriptive and exploratory analysis of a person, group or event. Case studies are often used in exploratory research. They can help us generate new ideas (that might be tested by other methods). They are an important way of illustrating theories and can help show how different aspects of a person's life are related to each other.
Since 2016, the amount of money was increased and nowadays, for each willful violation the penalty is 126 000$, unlike the previous times when it was 70 000$. This has increased a bit to 129 000$ due to inflation rates changing. Each repeated such violation will also cost 126 000$.
There has been a reduce in pollution
