Question

1. what is a mixture?

two or more things that are in the same place that are chemically combined
anything that takes up space and has mass.
the simplest form of pure substances.
two or more things that are in the same place but not chemically combined.

Explanation:

Una mezcla se define como dos o más sustancias que se encuentran en el mismo lugar, pero no se combinan químicamente. Las otras opciones describen compuestos químicos, materia en general y elementos (sustancias puras simples), respectivamente.

Answer:

D. Two or more things that are in the same place but not chemically combined