Answer:
Cause and effect
Explanation:
The excerpt structure clearly shows cause and effect relationship as the sentence follows a pattern showing the reason or cause of a certain phenomen and the its effect. With the author highlighting the reason they had to ride segregated buses as being their inability to afford a car. Chronological lists events in order of occurrence. While problem and solution highlights an issue and it is followed up by the cure or remedy.
Answer:
B. consider whether he ought to go back to find more evidence
C. think about whether he needs to change his perspective
Explanation:
When making research and the researcher discovers that his initial ideas support a different perspective, he should consider whether he needs to go back and get more evidence and whether he needs to change his perspective, so that the ideas would match the perspective.
Picnic. frivolity is something that is unnesasary/enjoyable.
