1. Summarize the scientific information that leads to conservation in each of the articles. 2. What social issues affected the problem or its solution in each of the stories?

3. How did economics delay scientists' first attempts for conservation in each story?

4. Describe the political actions that led to successful conservation in both stories.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

where are the choices