Question

1. sediments enter water as pollutants from all except ____.

○ agriculture
○ industry
○ urban runoff
○ mining runoff

Explanation:

All listed sources contribute sediment to water:

1. Agriculture: Soil erosion from fields carries sediment.
2. Industry: Construction/industrial sites release sediment.
3. Urban runoff: Eroded soil from paved areas/construction flows into water.
4. Mining runoff: Disturbed soil/rock from mining enters waterways.

There is no correct "except" option among the choices provided.

Answer:

None of these options (all are sources of sediment pollution)