Pressure decreases due to there being less gas above you
        
             
        
        
        
Answer:
Because discouraged workers are not counted in the labor force, critics argue that unemployment problems are understated.
Explanation:
Unemployment problems are understated as a result of how the labor force looks like
 
        
             
        
        
        
Answer:
Neuropeptides
Explanation:
They are proteins that function as chemical messengers and are released by neurons. They contain 3 to 36 amino acids.
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