Answer:
It is near 8.1.
Explanation:
Oceans are slightly basic in nature.
The pH is a scale to measure the acidic/basic nature of any substance.
A substance having pH less than 7 is considered to be acidic.
A substance having pH more than 7 is considered to be basic
A substance having pH equal to 7 is considered to be neutral.
The pH of ocean (naturally) is more than 7 and it is 8.1 approximately.