Since the end of 2010, many Arab nations have witnessed demonstrations, marches, uprisings, rallies, and other calls to action in order to try to bring down violent and oppressive governments. In the cases for which the demonstrators are actively seeking democracy, this type of social movement would be classified as reactionary. utopian. revolutionary. rebellion.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.

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when you sing louad enough the vibration of you voice is able to shatter glass so yes vibration is your answer

if this mark brainliest i wolud be happy and have a great day you!