Answer:
the change is evaporation
Explanation:
the water heats up at the surface of the water and evaporates
Answer:
Because its not a pure substance. It is a combination of pure substances.
Explanation:
North Pole ,land is the answer
Answer:
pH of 4
Explanation:
Upon comparing a solution with a pH value of 4 and that having a pH of 7, you will realize that it has a pH difference of 3 although the concentration of ions of hydrogen having a pH of 7 is 1000 times greater than being at a pH of 4.