Utilizing a four-crop rotation method increased agricultural yields around the world because this practice a. returns lost nutrients to the soil b. employs the use of chemical fertilizers c. protects farmers in case one crop fails d. increases soil erosion and depletion

How the environment of the northeast region affects the lifestyle of the people that live there

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate.not an excessive incentive.educational.of high quality.

Which of the following is an example of how the principle of beneficence can be applied to a study employing human subjects? providing detailed information about the study and obtaining the subject's consent to participate. ensuring that the selection of subjects includes people from all segments of the population. ensuring that persons with diminished autonomy are protected. determining that the study has a maximization of benefits and a minimization of risks.