The first voluntary attempts at standing occur around the _____ month, while the onset of an erect standing posture normally occurs around the _____ month.
A) Fifth; twelfth
B) Seventh; ninth
C) Sixth; ninth
D) Fourth; tenth
E) Fifth; ninth

Question

Quizplus · Accepted Answer

The Answer of The first voluntary attempts at standing occur around the _____ month, while the onset of an erect standing posture normally occurs around the _____ month.
A) Fifth; twelfth
B) Seventh; ninth
C) Sixth; ninth
D) Fourth; tenth
E) Fifth; ninth

The First Voluntary Attempts at Standing Occur Around the _____