15. longitudinal research reveals: a) functioning decline in intelligence in midlife. b) a peak in cognitive performance in the mid-thirties, followed by a steep drop. c) that each generation scores slightly lower than the previous one on intelligence tests. d) modest cognitive gains in midlife, sustained into the fifties and early sixties.

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

i’m   sure probably just geuss and see which one you can get right, i’m pretty sure it is the combination of goods and services

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; society;