Jhon had seen people sprinkle salt on ice in the winter the salt appeared to melt the ice he decided to sprinkle salt on a large block of ice then he added food colering to see results better how did ceativity help jhon in this expierment

answer; the correct answer is (ethics);

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.  

answer; positive reinforcement;