English Language · English

Arrange the jumbled parts (P, Q, R, S) to correctly complete the paragraph. As a child grows, his or her nervous system becomes more mature. _________________________________________. Having said that variation is normal, nearly all children begin to exhibit certain motor skills at a fairly consistent rate unless some type of disability is present. P: As this happens the child becomes more and more capable of performing increasingly complex actions. Q: Hence they frequently fret about whether or not their children are developing these skills at a normal rate. R: But it is normal for rates to vary somewhat. S: The rate at which actions emerge is sometimes a worry for parents.