Intrinsic motivation is a motivation "from inside", with internal, rather than external awards.
Three of the things you mentioned have an external reward: the 500 Dollar prize( first option), the credit (third) and the hope of winning a blue ribbon (the last).
Only the second one has an intrinsic motivation: that you will be happy about performing this song (feeling proud of yourself, etc).
It's c. Narrator tells the story
Answer: The reason why Thomas Edison invented the light bulb was because he realized that the conflict with Swan's sketch was the thread, which meant that the thin thread contained high electrical hostility that would be able to make a lamp functional (possible to work) because it only needed contemporary glow/light. Edison had shown his invented light bulb in December 1879 when he first experimented scientific procedure, with that in mind, he also invented an electrical battery that was very convenient.
Hope this helps you luv! And goodluck with your report! :-)
One major viewpoint is that Douglass was a slave and captain Canon was not. Just elaborate on this subject for the first paragraph. Also, mention that Conot only witnessed beatings but Douglass actually beat. And Include how Conot earned a living off of Transporting slaves that would have changed his viewpoint. Each of these people had different viewpoints.
Hope this helps :)