Few metals like mercury lead and other heavy metals are harmful to human life. However these metals are a cure naturally in our environment and may be present in little concentrations in our drinking water. These concentrations are normally expressed in term of parts per million (ppm) and parts per billion (pbb), and are computed by dividing the mass of the solute by the mass of the solution and multiplying it by one million (for ppm) and 1 billion for (pbb) respectively.

Please help me ngayon po to ipapasa.

Correct answer = Brainliest
Nonsense = Report​