Examlex
Why are the melting temperatures of most ionic compounds far greater than the melting temperatures of most covalent compounds?
Subsong
A quiet and variable type of vocalization made by young birds as they learn to sing.
Babbling
A stage in child language development characterized by the production of repetitive syllables and sounds, often seen as a precursor to language acquisition.
Human Auditory Threshold
The minimum sound level at which an individual can hear a frequency, varying across different frequencies and among individuals.
Noise Pollution
Unwanted or harmful outdoor sound created by human activities, such as traffic, industrial operations, and urban development, which can have negative effects on human health and the environment.
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