Examlex
By 8 to 16 months,infants imitate various novel gestures they see others perform.This best illustrates
Marginal Benefit
The gain in satisfaction or utility that comes with the consumption of another unit of a product or service.
Streetlights
Artificial outdoor lighting devices installed on poles, used to illuminate streets and public areas during the night for safety and convenience.
Marginal Benefit
The increment in pleasure or usefulness experienced from consuming or creating an additional unit of a good or service.
Streetlights
Streetlights are outdoor lighting fixtures placed along streets, designed to enhance visibility and safety during nighttime.
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