Answer:
The existence of isotopes contradicts part of Dalton's original atomic theory because he said all atoms of a given element are identical have the same mass size and chemical properties.
Explanation:
Me guata COMER tacos
Yo CORRO en las mañanas
Mi mama COSINA Rico
No puedo DORMIR hoy
VAMOS a la escuela
I tried
Answer:
es
Explanation:
I know spanish, so it's prob that
En mi opinión, pues no es malo querer esta a la moda
