Uptight means: angry, stressed, sassy.
This is A, a 'sentence'. Because it doesn't need a punctuation, so its omission here doesn't make it a run-on sentence.
Answer:
Mobile communities typically construct shelters using impermanent building materials, or they may use natural rock shelters, where they are available.
Explanation:
Answer:
B
Explanation:
I think it goes by alphabetical order.