The state of Alaska is one of the states that ranks lowest in the pollution index as shown hence option B is the correct answer.
What is the clean water act?
The clean water act was meant to protect the waterbodies in the United States and decrease the cases of water pollution to the barest miniumum.
From the map that we can see, the state of Alaska is one of the states that ranks lowest in the pollution index as shown hence option B is the correct answer.
Learn more about clean water act: https://brainly.com/question/14356798