Answer:
First blank : Presynaptic cell
Second blank : Postsynaptic cell
Third blank : Neurotransmitters
Explanation:
Just completed the assignment on edge : )
 
        
                    
             
        
        
        
Answer:
A
Explanation:
According to this hypothesis that pillar coral digested zooxanthellae, the coral digested zooxanthellae inside the pillar coral must be dead. If anything is engulfed then it should be first dead inside the body of the predator and then the energy is extracted from the food. The food eaten serves as a source of energy.
 
        
             
        
        
        
Answer:<u> Option D
</u>
Solar panels contain a very expensive element, i.e. silicon. This element is able to convert the solar energy into electric energy. The cost of the solar panel gets expensive because of this rare element. It is found in limited areas of the world. That’s why option D is correct. Coal is not used in solar panel, so option B is incorrect. Neither is wind energy, so option A is also incorrect. Water is also not used for exploiting solar energy, which makes option C a wrong answer.
 
        
                    
             
        
        
        
Well in order for chemical digestion to occur period, a enzyme is needed. 
In the mouth this enzyme is amylase 
        
             
        
        
        
By the heat of the enegry