Part A Fill in the chart. Remember, archaeologists may have doubts or may not always agree about
what the evidence shows.

unmarked stones. Evidence of humans yes/no/maybe, reason

animal bones with long grooves. Evidence of humans yes/no/maybe, reason

small patches of soot. Evidence of humans yes/no/maybe, reason

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; self_ disclosure;

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.

answer; provide for the common defense: