according to the lecture, which form of organization works best when dealing with demonstration or \how to\…

Brief Explanations:

Demonstration/"How to" speeches require presenting steps in the order they must be completed. Sequential organization arranges information in a step-by-step, chronological order, which aligns perfectly with the need to walk an audience through a process. Cause-effect focuses on reasons and outcomes, spatial on physical arrangement, and topical on grouping related ideas, none of which match the process-focused nature of these speeches.

Answer:

a. sequential