This fish is called a jawless fish because it doesnt have any scales 
        
                    
             
        
        
        
Answer:
Electrolytes are nothing but minerals that have electric charge when it is mixed in liquid like blood. thus the sodium and potassium electrolytes will help regulate the nerve and muscle function. They also maintain the acid-base balance by regulating the electric charge on the cells and water flow across the membrane.
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The correct answer is the hippocampus.
Some of the most powerful EEG signals in the human brain are generated precisely here, within the hippocampus. These signals are known as the hippocampal theta rhythm, which can usually be seen either when you are running, or during REM sleep.
        
             
        
        
        
Answer:
Democritus who was a Greek philosipher, believed that everything was made from tiny little indesrtuctible and undividable spheres called atoms at 400 B.C.E. Thomson believed that atoms were positively charged spheres of matter with electrons being randomly scattered in them in 1904