D it does bring a sense of duty to mind
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:
Hope this helps!
Answer: THE SECOND ONE I THINK BECAUSEIF YOU READ IT IT SAYS RIGHT THERE
Explanation:
I've been asking myself the same question for years
I think the answer is audience