Aresearcher asks an irb to waive the requirement for parental permission for a study conducted in schools because the nature of the research requires participation of all the children present in classrooms on the day the research will take place. assuming that the basic research design could be approved by the irb and the school, which of the following requirements must be met before an irb could waive parental permission? the students must be offered an optional classroom activity. parents must be notified that the study is taking place. an independent consultant must approve the waiver. the research must pose no more than minimal risk.

countries such as spain, france and portugal colonized the region. although most of latin america was colonized by spain, the countries of portugal and france also had major influences on the region. due to war and disease, native populations were decimated.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

your answer would b. the missisipi river

hope i you : )