According to the theory of emotion, both physiological arousal and emotional experience are produced simultaneously by the same nerve stimulus.

Cannon-Bard                          

Explanation:

Cannon-Bard theory: In psychology, the term "Cannon-Bard theory" is a theory associated with emotions that are physiologically explained and is also referred to as "Thalamic theory of emotion". It was proposed by Philip Bard and Walter Cannon. The theory explains that an individual feels a specific emotion and then experience some physiological reactions, for example, muscle tension, sweating, trembling at the same time.

In the question above, the given statement signifies the "Cannon-Bard Theory".

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

a.. a conflict between her competing identities.. apex