Alone in her home, Janis hears a noise in the middle of the night. Her heart begins pounding. Her emotional response to the situation at this point best represents: physiological arousal. expressive behavior. conscious experience. the interaction of thinking and feeling.

physiological arousal.

Explanation:

Physiological arousal: The term physiological arousal is described as a well-defined feature of 'arousal' that is being reflected by physiological reactions in an individual body, for example, rise in blood pressure, the lessened activity of the 'gastrointestinal system', and escalations in the rate of respiration.

In psychology, physiological arousal is described as a state of being "physiologically alert, attentive, and awake and is controlled by RAS (Reticular Activating System) in the brain.

In the question above, the given statement signifies the 'physiological arousal'.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

i would say b. research typically uses a variety of sources