Answer:
Si el átomo contiene electrones que son partículas con carga eléctrica negativa, ¿por qué el átomo no tiene carga eléctrica neta? A. Porque la carga de los electrones de un átomo se equilibra con la de los electrones de los átomos vecinos.
Explanation:
espero te sirva
 
        
                    
             
        
        
        
Answer:
it is examining the lipid level of the cells
Explanation:
The general procedure includes: 1) the isolation of the DNA from an evidence sample containing DNA of unknown origin, and generally at a later time, the isolation of DNA from a sample (e.g., blood) from a known individual; 2) the processing of the DNA so that test results may be obtained; 3) the determination of the ...
 
        
             
        
        
        
B. One
 because an independent variable is something you change. So in a scientific experiment you only change one thing. If you happen to change more than one thing then the test becomes unfair therefore you should repeat and make sure that only one thing is changed this time.
        
                    
             
        
        
        
A. they divide in two 
i dont know b sorry