Question

due to increased awareness, laws, and technology, how are the united states waters compared to 50 years ago? they are less polluted. they are more polluted.

Explanation:

Increased awareness has led to more public - support for clean water initiatives. Laws like the Clean Water Act in the US have regulated industrial and municipal discharges. Technological advancements in wastewater treatment and pollution prevention have also helped reduce water pollution. So, overall, US waters are less polluted compared to 50 years ago.

Answer:

They are LESS polluted.