It was Marconi :) that’s e answer
Still in the 21st century there still people that are highly judgemental on someone ethnicity or/and race. Therefore race and ethnicity is affected by society as people will judge from where you came from or your skin colour
B at the start of a summary
Yerkes-Dodson law says that moderated arousal levels can improve
performance up to a certain point. For example if you are a bit anxious for a test, that may actually make you perform better. If the arousal becomes to excessive, the performance reduces.
answer: <span>b. best; moderate</span>
