Examlex
Explain why we have a more complete historical record of diversity in North American dinosaurs than we do of rain forest organisms.
Voluntary Smile
A smile that is intentionally produced to communicate happiness, politeness, or social engagement, as opposed to a spontaneous emotional response.
Muscles Around Eyes
A group of muscles surrounding the orbit of the eye that control movements such as blinking, squinting, and enabling vision.
Facial Expressions
Observable movements of the facial muscles that convey emotional states or reactions to stimuli.
Smile Meaning
The implied or expressed significance of a smile, which can vary from happiness, friendliness, sarcasm, to contempt, depending on cultural and situational contexts.
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