Examlex
By three years of age,children understand that a comment should be followed by a response.
Observable Phenomenon
Events or occurrences that can be perceived directly through the senses or with the help of scientific instruments.
Not Scarce
Describes resources that are available in abundance and not limited in supply, in contrast to scarce resources which are limited and can be exhausted.
Leisure Activities
Leisure activities encompass non-obligatory, enjoyable actions engaged in during free time, such as hobbies, sports, and entertainment.
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