Click on "Back to the Water Bodies" and scroll down to The Gulf of Mexico then click "Select". Click "reset" to choose new parameters.

How did the average pH of The Gulf of Mexico change from 1990 to 2015?

(1 point)
Responses

It did not change.
It did not change.

It became more acidic.
It became more acidic.

It became less acidic.
It became less acidic.

It became less basic.