You can have a solution of hydrogen peroxide that might say 10% that means that 10% per mass of the hydrogen peroxide solution is the hydrogen peroxide the rest is water.
concentration is the amount of mass in the solution eg 5gdm-3
hope that helps
Answer:
well physical weathering is the process of a element or acts of water rock or other items that take its toll on items
Explanation:
so i would,WITH CONFIDENCE C.
