Canlyniadau'r chwiliad
Ni chafwyd dim canlyniadau i'r ymholiad.
Crëwch y dudalen "Utvik" ar y wici hwn!
Darganfod data ar y pwnc
developed country: country with a developed industry and infrastructure
developing country: nation with a low living standard relative to other countries
age of a person: time elapsed since a person was born
developmental psychology: scientific study of changes that occur in human beings over the course of their lives