Question

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

Explanation:

Increased awareness leads to more public concern and pressure for clean water. Laws like the Clean Water Act set standards and enforce regulations. Technology provides better sewage treatment, industrial pollution control, and monitoring tools. All these factors contribute to less water pollution.

Answer:

They are LESS polluted.