b. Its message is usually exchanged rather than continuous.
Since a speech is generally not a conversation, the speaker and the audience do not have exchanges. Instead, the speaker delivers a continuous message. It typically involves a speaker and an audience, rather than a receiver. It also usually involves both auditory and visual channels because the speaker's body language can also communicate with the audience. Some speeches can also include visual aids.
Not really any facts just some kids opinion on his dad. He would need more evidence on snowboarding statistics and how they have a superior amount of popularity vs skiing