They use fans and air conditioning in the summer because its hot, which means they use energy and in the winter, there is no need because its cold so less energy.
        
                    
             
        
        
        
Answer:
I'm thinking Henri's wave and Geri's wave have the same amplitude and energy, but i'm not %100 sure
Explanation:
 
        
                    
             
        
        
        
Answer:
B. Beta
Explanation:
Neutron -> proton = responsible by Beta particles.