Click on "Back to the Water Bodies" and scroll down to Lake Erie then click "Select". Click "reset" to choose new parameters.

How did the average pH of Lake Erie 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.