The reason why consuls were awarded the power of veto was to avoid the abuse of power.
because within the Roman Republic consuls were granted both executive and judicial powers, as well as being the supreme commander of the armed forces in times of war.
idk if its right but id go between geology and biology
Depending on the school, a college semester can be defined as fifteen weeks long.
The answer is: Honor the child's decision.
Studies that conducted by the researchers could potentially caused unwanted physical and psychological damage to the subjects. This is why IRB often required the subjects' consent to make sure that the subjects are completely comfortable in being involved in the studies.
Several reasons might cause the child to refuse the offers to be involved in that study. (that child might find the idea of giving his/her urine to be disturbing).The investigator need to honor the child's decision in such situation in order to prevent any form of psychological trauma to happen.