The carrying capacity in the container when compare to the
yeast population at hour 16, it has reached carrying capacity however the waste
produced by the yeast has begun to damage or kill the yeast cells. It will
reach its maximum and will slowly begin to drop off after the point. 
 
        
             
        
        
        
Answer:
third and fourth trophic levels
Explanation:
 
        
                    
             
        
        
        
Since Lithium has one valence electron that means it needs to lose it to form a stable structure. That means it's valence is equal to one. Oxygen has six atoms, in order to form a stable octet structure it needs to accept 2 electrons, therefore it's valence is 2.
Therefore two Lithium atoms bond with one oxygen atom to form Li2O
 
        
             
        
        
        
Not all inspired air reaches the alveoli; 150 ml is stopped in the airway leading to the alveoli. This is called dead air space.
Alveoli are the tiny air sacs present all over the lungs. These are supposed to increase the surface area of the lungs so as to increase the amount of inhaled air. The exchange of oxygen and carbon dioxide takes place through these alveoli.
Dead air space is the unventilated area where air circulation does not take place. This air is supposed to be get trapped somewhere in the respiratory pathway or it reaches an alveoli that is poorly perfused. The dead air space can be of two types: anatomical dead space and physiologic dead space. 
To know more about dead air space, here
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