Which is the best description of a molecule? A molecule of an element is composed of at least two types of atoms.
A molecule of a compound is composed of only one type of atom.
A molecule of a compound is composed of at least two types of atoms.
A molecule of an element is composed of exactly two types of atoms.

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm.yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation.no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study.no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

Study the following facts: 1915—state education committee banned the french language in public schools (corporal punishment was allowable to deter the act of speaking french). 1916—compulsory attendance: all louisiana children must attend school until the age of 16 years. 1918—louisiana legislative act 114 stated that german could not be spoken on streets, taught in schools, or printed in newspapers (reaction to german aggression in world war i). 1921—repeal of act 114 . 1921—constitutional amendment stated languages other than english were prohibited in public schools. from the information above, answer the following questions to yourself. how did the above legislative laws affect the ethnic cultures generations later? describe the opportunity cost in economic and cultural terms of these legislative decisions. should efforts be made to preserve or revive the cultural traits of unique ethnic cultures in louisiana? assignment research current efforts and organizations that are actively engaged in cultural preservation. create a poster or powerpoint® describing the methods and strategies being employed in the preservation efforts (e.g., french immersion, german fest, codofil, cafa).

Social classes is a characteristic of civilization that refers to groups of people ranked by their place in society people who come together to learn a trade men and women who enjoy spending time together citizens who vote in a similar way