Answer:
The first option, the second option and the last option is what applies during the electron transport chain
Electrons are removed from their carrier molecules as the molecules will lose energy bit by bit
Protons are moved across a membrane
Oxygen is not a waste product since it is very useful, water is the waste product
Carbon Dioxide is released as it is another waste product
 
        
             
        
        
        
Answer:
[D] Pitch
Explanation:
 The measure of how high or low a sound is called the pitch.
 
        
             
        
        
            
            
                PLEASE HELPPP :,,,,,,,,,,,) 
                dem82 [27]             
         
        
I believe the answer is A
Hope this helps!
        
             
        
        
        
Answer:
 In a pinhole camera, light passes through the pinhole to project an upside-down image onto the back of the box, and in the human eye, light passes through the lens to project an upside-down image on the back of the retina
 
        
             
        
        
        
Answer:
for testing differnt cures on animals 
Explanation: