Examlex
An experiment requires 74.2 mL of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/cm3, what is the mass of 74.2 mL of ethyl alcohol?
Stem-Cell Research
A branch of biomedical research focused on using undifferentiated cells to develop treatments for diseases and injuries.
Telegraphic Speech
The early speech stage in which a child speaks like a telegram—"go car"—using mostly nouns and verbs.
Language Development
Language development involves the process by which children come to understand and communicate language during early childhood.
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