After examining certain skeletal remains, forensic anthropologists concluded that they belonged to a human. Which observation could have led them to do so? A.
The pelvis was blade-shaped.
B.
The pelvis was bowl-shaped.
C.
The tibia and fibula were fused.
D.
The vertebral column was convex on one side.
E.
The bones had a smooth appearance.

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities