The bear population would also increase
        
             
        
        
        
Leaves get their colors through pigments. Leaves turn green because of chlorophyll but when they turn orange red and yellow it’s the chlorophyll breaking down and mixing with pigments (like carotenoids)
        
             
        
        
        
The most likely conclusion the student will make would be that increasing temperature increases the rate of reaction.
<h3>Effects of temperature on reaction rates</h3>
The rate of reaction of a system is directly proportional to the temperature of the system.
This is because the kinetic energy of the reactant's molecules is increased by increasing the temperature of the system. Thus, reactant molecules collide more and this leads to more reactions.
Thus, increasing the temperature of a system moderately also increases the rate of reaction in the system. Too much increase in temperature, however, can destroy the structures of reactants. 
More on temperature and reaction rates can be found here: brainly.com/question/16717828
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Look it up if you are stressing.
 
        
             
        
        
        
I think it would be D, as a fixed proportion would mean that even if the volume goes up, they would stay fixed.