A business with a high level of productivity is one that: OA. sells a variety of different products in different markets.
OB. Creates its product with a high level of efficiency.
O C. raises large amounts of capital investment when needed.
OD. avoids competing with larger companies at all times,

conservation              

Explanation:

In psychology, the term "conservation" is one of the key concepts in the theory of cognitive development which was proposed by a psychologist named Jean Piaget.

According to Piaget, conservation is described as an individual propensity to think logically that allows him or her determine that a specific quantity would remain similar or same irrespective of the adjustment of the container, apparent size, or shape.

According to the question above, the child has yet to acquire conservation.