D, he changes tone throughout passages
Explanation:
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Answer:
D. By describing how Katina selected her clothes with care, the author reveals Katina's initial excitement about her internship. Katina obviously wanted to make a good impression, so she tried to pick out a nice outfit for her first day. Unfortunately, the outfit was ruined when someone bumped Katina's arm, and she spilled coffee on her shirt.
Explanation:
1) water scarcity
2)food insecurity, irrigate
3)young people, gather
4) sanitation, contaminate
5) replenished, water table
Examine and explain there position on a central idea