Cats are carnivorous. 
This is because. it<span> is a distinct array that comprises of above 280 class of placental vertebrates. Its constituent are formally known to as carnivorans.</span>
        
                    
             
        
        
        
Carbon dioxide—\text {CO}_2CO 
2
 
 start text, C, O, end text, start subscript, 2, end subscript—from the atmosphere is taken up by photosynthetic organisms and used to make organic molecules, which travel through food chains. In the end, the carbon atoms are released as \text {CO}_2CO 
2
 
 start text, C, O, end text, start subscript, 2, end subscript in respiration.
Slow geological processes, including the formation of sedimentary rock and fossil fuels, contribute to the carbon cycle over long timescales.
Some human activities, such as burning of fossil fuels and deforestation, increase atmospheric \text{CO}_2CO 
2
 
 start text, C, O, end text, start subscript, 2, end subscript and affect Earth's climate and oceans.
 
        
             
        
        
        
Answer:
the smell or taste of chicken salad
Explanation:
- A conditioned stimulus is the one which was previously a neutral stimulus but hen it gets paired with the unconditioned stimulus it leads to a conditioned response. 
- The learned response which is produced in response to a neutral stimulus is the conditioned response. 
- In the given condition the smell or taste of a chicken salad causes Allison to feel nauseated and hence, the taste or smell of a chicken salad is the conditioned stimulus which generates a conditioned response which in this case is nausea.