Question 1 answer: The last option
Question 2 answer: Each change of speaker equals a new paragraph.
Distance is how much you traveled from begin to end so if you traveled along a road that was 500 m twice then your distance is 1000 m
displacement is change in position between your starting and ending points and since you started and ended at the same place then your displacement is 0<span />
Everyone likes food, yet not everyone enjoys the same particular food. It has the word yet in the sentence. If you remove yet, then there is two complete sentences present.
