No eres de Brasil.
Nosotros no vivimos en Chile.
No estoy bien.
Juan no tiene quince anos.
Yo no soy de Francia.
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:
I think it's C
because if you say B it sound wrong
