Answer:
Green algae perform Photosynthesis. 
 
        
             
        
        
        
Answer:
B
Explanation:
It's the same thing that Pavlov did with the dogs, but instead of a can opener, he used a bell. The dogs drooled at the sound of the bell because they knew that the food was coming. 
 
        
             
        
        
        
<span>If Gabriel wants to
find out what the melting point of the wax is and he has a block of wax, a
graduated cylinder, a pan, a thermometer, and scale, then the best procedure to
follow for the experiment is to place the wax in the pan and then he should
heat it. Lastly, he should measure the temperature.</span>
 
        
             
        
        
        
Answer:
A protein pump that requires ATP for active transport.
Explanation: