Final answer:
Cost/benefit analysis is the term used to describe the comparison between benefits and costs of human activities when deciding on new environmental policies and laws.
Step-by-step explanation:
The term used to describe the comparison between benefits and costs of human activities when deciding on new environmental policies and laws is cost/benefit analysis. It involves weighing the costs, such as money, effort, and sacrifices, against the benefits, such as money, time, experience, and improvements. This analysis is represented in a T-shaped chart where costs are listed on one side and benefits on the other.