I believe that the thrush's song changed the mood because it was a song filled with hope from the divine that inspired him. Darkling Thrush refers to a bird who is weak and fragile, however, even with these qualities, he sacrificed himself.
The correct answer for the given question above would be option A. An argument is not considered as a form of a formal debate. A formal debate is done between teams which represent a certain side of an argument. It is done in a formal setting as well and follows certain guidelines to be judged.
(3) Fire, in fact, has been a significant factor in human development and progress in many ways.
This is the main idea. The rest of the sentences support the idea that fire has helped human development and progress. It says that it has allowed humans to "travel into regions that were previously too cold" and "to sleep securely". The passage then continues to talk about how when humans learned to control fire it made significant changes in how long people were able to be productive since they no longer had to rely on the sun for light.
Answer:
Centraling an Idea, Point, or telling something (AKA- a story)
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Some ants take over _____ colonies and use them for workers.
Answer: Other's
Hope this helps (:
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