Negative remarks can be appropriate in toasts

When John presented his speech on the elephants of Africa, he showed a 2-minute video clip from a movie. He was using which of the following strategies to enhance learning and retention?

a. Moving from familiar to unfamiliar ground b. Repeating important ideas c. Relying on multiple communication channels d. Highlighting key material

Aracela presents an informative speech that explains what happens as a result of mixing various chemicals together. Which pattern of organization is Aracela using?

A) topical B) chronological C) spatial D) sequential E) causal