Answer:
green tea
Explanation:
According to the question
It is mentioned that
dilute green tea 9.0,
alkaline water 8.0,
fruit juice 6.8,
vinegar 3.5,
and Gatorade 3.0
Now based on the above information
As it can bee seen that the Dilute green tea contains higher pH as compared with the others
So, the substance that have a bigger or higher pH is green tea