Answer:
Many animals and people take up residence in places and structures vacated by others, illustrating a phenomenon that economists and sociologists call a "vacancy chain."
Explanation:
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Answer:
1. I was eating donuts when you called.
2. Lauren played the violin for several years.
3. Why were you just arriving to work at noon?
4. Did she cry when you told her?
5. Alex worked very hard last week.
6. Patricia was playing golf while her husband cooked dinner.
7. I was answering emails at 9:00 this morning.
8. Did you write emails all morning?
9. What did John work on yesterday?
10. John worked on the car yesterday.
Explanation:
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