You and a friend are lost while walking on a street in a foreign city. a stranger approaches and you are concerned that the stranger may try to mug you. your friend assumes that the stranger is approaching to give you directions. as the stranger approaches, you experience fear but your friend experiences relief. your different emotional reactions can be explained by the theory of emotion

Your different emotional reactions can be explained by the "Cognitive" theory of emotion.

Cognitive theory of emotion which is otherwise called the two-factor hypothesis of emotions is an instance of a psychological hypothesis of emotions. This hypothesis proposes that the physiological excitement or arousal happens first, and afterward the individual must distinguish the explanation behind this excitement to experience and mark it as an emotion.

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.