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:
Answer:
B. Estudiemos
Explanation:
The answer is B because it is at the correct time. A is neutral and C is present, which is not possible to insert in that sentence.
Therefore, the correct answer is B.
Question:1: C
Question 2: B
Question 3: B
Question 4: C
This is for reading lvl 1070L
Answer:
El medio de comunicación que mas se a utilizado para la pandemia son las redes sociales y las noticias nacionales ya que dicen todo lo que a pasado con el virus en el día o la semana. Siempre nos tienen informados y alerta sobre que es lo que esta pasando.
Explanation:
