Robert lightly taps the student sitting in front of him on the shoulder. The student doesn't notice, so Robert taps harder. The minimum pressure Robert must tap such that the other student notices half of the time is called:

A) the absolute threshold.
B) the just noticeable difference.
C) Weber's law.
D) the relative threshold.

How can a person be self justified he or she is proceeding in legal ways

Which best describes the“brain trust” franklin roosevelt promised to make part of his administration? a group of america’s most successful businessmen, who would fix the economya group of hoover’s economic advisers, who would undo previous damage to the economya group of smart advisers, who would assist roosevelt in guiding the nation forwarda group of military veterans, who would assist roosevelt in putting americans back to work

How long was it from the time african american men were given the right to vote until women were given the right to vote?