To keep your audience interested in your speech, you should provide them with as many details as possible about the topic.

The answer is False.  To keep your audience interested in your speech, you should do the ff techniques : 
1. Talk about something your audience is interested in
2. Tell them why they should listen
3. Don’t make it too easy or too hard
4. “Change grabs attention”
5. Tell stories
6. Have frequent breaks
7. Make it short

The answer is rom or read only storage devices

No, the only way you can mute the notifications is to disable notification sounds in the settings, the settings of your phone of