Explanation:
By using sound absorbing substances we can reduce the echoes.
as we seen in the cinema hall...lol
 
        
                    
             
        
        
        
False
Not always, some proteins are used in a variety. <span>Protein channels are needed to transport substances because it accelerates the transport process. Very few substances enter or leave cells without being attached to a transport protein. Different types of substances require different types of proteins to transport them. Protein channels transport water or ions downwards and ATP-powered pumps transport molecules or ions upwards. ATP generates energy to transport the molecules upwards. </span>
        
             
        
        
        
Answer:
Mi No Gusta.
Explanation:
#teamtrees #WAP (Water And Plant)