Farmers in a certain region have noticed a decrease in the variety of crops that they are able to successfully grow in the region. This has impacted the number of crops that they are able to sell to consumers. Which of the following changes has most likely caused this change in biodiversity? A. increased soil aeration caused by an increase in earthworms B. increased soil fertility caused by an increase in animal waste C. increased space availability caused by an increase in average field size D. increased acid rain caused by an increase in pollution

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.

By the 1820s, many americans wanted to have an equal number of senators from the free states and the slave states. to achieve that, what would need to be true? sorry, the correct answer is: explanation review you answered: questions answered 11 time elapsed 00 17 08 hr min sec challenge stage 2 of 3 get 5 of 6 correct

Why do scholars believe that atlantis was a ficitonal place created by plato