Research on children's development of motor milestones suggests that
a. this process is primarily a biological one and reflects innately programmed changes consistent across cultures.
b. motor developments are dependent on physical maturation, which is guided by our biological changes.
c. motor development is purely an environmental process, and is not limited by physiological constraints.
d. while there are physiological limits on development, parenting styles and culture shape the variations in motor development.
Ans: d. while there are physiological limits on development, parenting styles and culture shape the variations in motor development.
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