Biology

The correct answer is: A.Surface runoff

When phosphates dissolve in water, they can be carried away from the land into waterways through surface runoff. This occurs when rainwater or irrigation water washes phosphate compounds (often from fertilizers, animal waste, or natural sources) from the land into rivers, lakes, and oceans.

Here’s a breakdown of the terms:

A.Surface runoff: The flow of water over the ground, carrying dissolved phosphates and other substances into nearby water bodies like rivers, lakes, and oceans.

B.Sedimentation: This refers to the process where particles (including phosphates) settle to the bottom of a water body, forming sediment. It's a part of the cycle that happe...