Which map element shows what symbols represent on the map? (5 points)

group of answer choices

compass rose

map key

scale

title

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

answer; decreased;

answer; criminal law;

answer; ancient times;