Final answer:
Preschool-age children (i.e., 3-5 years old) may have difficulties in achieving milestones related to gross motor skills, fine motor skills, language and communication, and social and emotional development.
Step-by-step explanation:
Preschool-age children (i.e., 3-5 years old) may have the inability to meet certain milestones in their development. Some of these milestones include:
- Gross motor skills: They may have difficulty running, climbing stairs, or balancing.
- Fine motor skills: They may struggle with tasks like holding a crayon properly or using scissors.
- Language and communication: They may have trouble speaking clearly or understanding instructions.
- Social and emotional development: They may find it challenging to interact with others, share, or follow rules.