the depth of the water the oxygen levels for fish the amount of minerals in the water the accumulation of organic matter
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Runoff from nearby farms can deposit excess amounts of nutrients into bodies of water such as lakes. This abiotic process will most likely cause a decrease in which aspect of a lake?
Possibilities:
- the depth of the water
- the oxygen levels for fish
- the amount of minerals in the water
- the accumulation of organic matter

the oxygen levels for fish