Researchers paul ekman and wallace friesen conducted facial recognition experiments to determine which of the following?

if cultures differ in social gestures used to represent emotion
if cultures differ in words used to label emotions
if emotional expressions were recognizable across cultures
if cultures had different display rules for emotion

if emotional expressions were recognizable across cultures

Explanation:

Ekman and Friesen conducted research studies to find whether people across the globe perceive facial expressions that represent the same emotions int he same ways.

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ice to water 1 water to vapour 2 latent heat

the journeys of marquette, joliet and la salle a) new france expand.

all three of these explorers explored the midwest and the area around the great lakes, which they subsequently claimed for france.

this was a big portion of territory and expanded new france which before then only consisted of quebec province in northeastern canada