<h2>                          
¡Hola Emma!</h2>
Answer:
¡<u>Si</u>!
Explanation:
El peróxido de hidrógeno es inestable y se descompone lentamente en presencia de luz.
<h3>¡Adiós, que tengas un buen día!</h3>
 
        
        
        
Answer: Sex Chromosmes are just sex chromosomes 
Explanation:
 
        
             
        
        
        
    Lion, Spotted hyena, African wild dog, Leopard, Cheetah, and probably crocodillians. Hope this helped!
 
        
             
        
        
        
Answer:
the answer is B) sodium
Explanation:
Sodium (Na) is the only element that has 11 electrons, 11 protons, and 12 neutrons. Based on the picture, the element displayed has as many protons, neutrons, and electrons as a sodium molecule