Refer to the information provided in Figure 23.11 below to answer the question(s) that follow. 
Figure 23.11
-Refer to Figure 23.11. The equation for the aggregate expenditure function AE0 is
Definitions:
Conservation
The act of preserving, protecting, or restoring the natural environment and its wildlife.
Cognitive Development
The construction of thought processes, including remembering, problem solving, and decision-making, from childhood through adolescence to adulthood.
Attention Span
The length of time a person can concentrate on a task without becoming distracted.
Formal Operational Stage
A stage in Piaget's theory of cognitive development where individuals develop the ability to think abstractly and logically.
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