In math class, while trying to understand a complicated problem on the chalkboard, you look over your physics notes in preparation for a physics quiz scheduled for the next hour. using the following terms discuss how successful will you be at these dual-attention tasks and why? ● selective attention ● figure ground perception ● circadian rhythm ● signal detection theory

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.