Examlex
A sample of calcium that contains Avogadro's number of atoms has a mass of ________.
Cooing
The soft, throaty noises made by babies as an early form of vocalization.
Chuckling
A soft, low-key form of laughter, often expressing amusement in a quiet or restrained manner.
Positive Cries
Emotional expressions through crying that are not rooted in distress but can signify joy, relief, or a deep emotional release.
Cooing
Soft, gentle sounds made by babies in the early stages of vocal development.
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