Can you explain it a bit better?
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>
Magnetic poles that are alike repel each other.
Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff. Although the total amount of water within the cycle remains essentially constant, its distribution among the various processes is continually changing.
<em>i hope this was helpful..</em>
<em>if it was please mark me as brainliest </em>:)