Use the following to answer questions:
Table: Market for Apartments 
-(Table: Market for Apartments) Look at the table Market for Apartments. If a price ceiling of $900 is imposed on this market, the result will be an inefficiency in the form of a _____ million apartments.
Definitions:
Olfactory Pathway
The neural pathway that conveys sensory information related to smell from the nasal cavity to the brain.
Glomeruli
Small, spherical structures in the kidneys that are responsible for filtering blood and starting the process of urine formation.
Pyriform Cortex
A region of the brain involved in the processing of olfactory (smell) information.
Chemosignals
Chemical signals that convey information between organisms; they play key roles in many biological processes and behaviors.
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