Answer:
sensory neurons changes in the environment motor neutrons
 
        
             
        
        
        
Answer:
by separating the most important ideas from the detailed text 
 
        
             
        
        
        
The answer is a. Plants, algae, and certain Protista
        
                    
             
        
        
        
Answer:
The lunar phases gradually change over the period of a synodic month (about 29.53 days), as the orbital positions of the Moon around Earth and of Earth around the Sun shift. The Moon's rotation is tidally locked by Earth's gravity; therefore, most of the same lunar side always faces Earth.
Explanation:
 
        
             
        
        
        
Amino acids. Every protein is a long chain of amino acids.