Pollution because it’s one of the reasons for global warming, and global warming causes habitat destruction causing many organisms to become extinct
Keeping in mind a total ignorance of both the health benefits of these teas, and the interaction between milk and antioxidants, I believe that it is possible that milk could hinder these benefits.
Tea is usually a hot beverage. Milk, when added to this beverage, would easily dissolve. When a solute (milk) dissolves in a solvent (tea), the chemical properties of the resulting solution can become quite distinct from both of the original substances. It seems possible that the same chemical properties of tea that make it healthy could be altered by the addition of milk.
It should remain constant because of the law of conservation of mass and because the flask is sealed no mass will escape
The lower the activation energy required for a chemical reaction
