C because they aren’t as large in volume
The effect is “not for their class” and also the cause is “appointed people for there abilities”
Answer:
Object permanence
Explanation:
Object permanence is a fundamental concept in developmental psychology that explains that objects continue to exist even when they cannot be perceived (seen, heard, touched, smelled or sensed in any way). It studies the development of a child's mental and social capacities. Piaget was the first to study this concept and believed a child develops this capacity after the sensorimotor stage in his theory of cognitive development.
The example above shows the child is yet to develop the capacity to recognize the existence of the stuffed bear even if it isn't in sight.
Answer:
Rivers allow for trade from the sea to inland areas, which has economic benefits. Rivers also can be used by the military for transport during battle or for supplying armies
Explanation: