What does the Latin root cir mean?

You are in middle school and you were just woundering how a boy likes you? Why is attending school a duty than a responsibility? What are the topics for environment project? Dak meaning in German? Ano ano ang klima na nararanasan ng mga tao sa mundo? Is a cradle a simple machine? Who was the founder of the state of michigan? Where did Marvin Sapp receive his doctorate degree? Who is gifted and talented? What is Spanish word for swimsuit? How to repsond to cual es la estacion de tu cumpleanos? How do you say bad to the bone in Spanish? Do you say each of you has or have been? How do you say 'everything must be very clean' in Spanish? How much does the gre cost? Bkit mhlig sa damo ang baka? What secondary metabolites are allelopathic? How many credits do you need for a masters degree? Is French or English the preciser language? Who is el hombre de los cielos?