Most of the workers who worked on the tobacco plantations located in Virginia in the 1600's are mostly indentured servants. Indentured servants are individuals (both men and women) who signed an agreement, also known as "an indenture" in which they agree to work for a certain amount of years in exchange of transportation to Virginia, and once they get to Virginia, other essentials such as food, shelter, and clothing are given to them.
In the state of Rapid Eye Movement sleep (REM). REM is the deepest part of sleep in a persons sleep cycle.
Researchers must utilize a control group in a scientific study because <span>it is important to show that between two groups that were similar from the beginning of the study, the one that received the manipulation is the one that changes. Note that the control group is the group in the experiment that does not receive manipulation by the experimenter and is thus used as basis for how the other test subjects changed. </span>
