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What role should teachers play in creating tolerance environment for students?

What is the main idea of this paragraph from the volcanoes section of the ready. gov website

Which statements describe postapocalyptic fiction? check all that apply. it considers humanity and survival. it shows the results of a disastrous event. it focuses on laws and theories of science. it occurs after the end of one world or society. it highlights the role of technology on humanity. it investigates the impact that historical disasters had on people.