A) Cuantas fases tiene una ensalada de tomate y lechuga, un cafe con leche y un vaso de agua y aceite B) Que tipo de sustancias son(Simple o compuesta).

A)

B) They are all compound substances

Explanation:

The salad and the glass of water with oil have two phases because their elements do not mix, we can see them separately. In the case of coffee with milk, there is only one phase because we can not see all the components separately, they are mixed in the solution.

They are all compound substances due to the fact that they are made of more than one element.

b) nuclear ive learned that in a pedtrodic table