Answer:
Come up with a controversial topic, one that make your listeners think
Research the topic thoroughly that you have chosen
Understand the perspective of your audience. Keep your goal in mind. You are trying to persuade the audience to do or believe something .
Answer: option A. adjust the mouse's double-click speed.
You can see it in the attached file.
Answer: - scan and convert to pdf app.
- timetable managing app.
- color seeing app (for color-blind people.)
- virtual clothing/jewelry try on.
Explanation: