Can you complete your question ?
Given the pH you can say that lake A is Basic and lake B is Acidic because of their pH.
Formation
I remember having this question on a quiz a while back
This kind of damage occurs repeatedly, it may lead to permanent damage to your lungs that could cause a lower quality of life. Ozone may aggravate chronic lung diseases, such as emphysema and bronchitis. Scientists are concerned that repeated short-term damage from ozone exposure may permanently injure the lung
I believe it is 6ml because you do the doseage times the ml and mutiply it by 1