El agua con hielo es sistema heterogénea .
Chemistry is the study of the composition of matter and the ways in which matter interacts, combines, and changes under certain conditions. Although not as fundamental as physics, chemistry is a very basic and broad science. It helps us explain bodily interactions and natural process (biochemistry), it helps us to manufacture new medications, and true chemistry research will always follow the scientific method.
The answer is the 3rd one
Answer: H+ ia helyuim
explinanation: Hope this helped!!
