An amount/number of something
Quantitative describes the quantity of something
Qualitative describes the quality of something
Answer:
The correct option is 4) The author uses it to foreshadow the friendship at the end of the story.
Explanation:
After the conflicts escalates during the climax of the story and is resolved as the story concludes, it has given Colin a chance to know who his true friends are in the light of events that transpired. This way, the author provides a "happy ending" that a majority of the readers crave.
The difference between the split ring commutator in a DC motor and the slips rings in an AC generator can be tricky. The split ring makes changes in the rotation every so often. A slip ring just stays in place and is only used as a connector. So a slip ring is for DC, whereas the split ring is used for AC.