Charlemagne's new technique for farmers to increase nutrients in the soil involved: a. planting the seeds in different rows b. slashing and burning the trees around the farm c. planting a series of different crops each year

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation. documentation is required unless waived by an irb. to protect minors documentation is always required. federal regulations do not require the documentation of minors’ assent.