How does the overall structure of “Conservation as a National Duty” facilitate the development of ideas in the speech?

1.The problem-and-solution structure establishes how the problem came to be, describes the potential outcomes, and suggests actions for resolution.

2.The chronological structure explains how the use of natural resources has evolved and expanded over time.

3.The cause-and-effect structure tells how each type of natural resource is used and explains the specific effects of the resources’ usage on the environment.

4.The descriptive structure provides detailed information about each type of natural resource and why it is important.