Is here anybody to me solve some sample ielts reading on instagram?
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What does the word subordinate mean in this sentence? the office manager spoke to her subordinate in a cordial tone.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

Write a researched argument essay in which you take a position that reality television does or does not offer value to society. provide a claim and three reasons to support your claim. you must include evidence from multiple sources to support your claim as well.