Select the best answer for the question 4. All the following impact water clarity except for
O A. light penetration
B. phytoplankton
C. suspended sediments
D. nutrients

A. light penetration

Explanation:

Water clarity refers to how clear a water is, and it is a measure of how far/deep light can penetrate into such a water body. A water that is not clear is said to be TURBID. Several factors affect the clarity of a water body and they include;

- Phytoplankton, which refers to floating algae on the water body. An accumulated growth of phytoplankton can affect the penetration of light into the water, hence, making the water unclear.

- Suspended sediments can also block the penetration of light into the water, reducing water clarity.

- Nutrients in form of fertilizer or waste materials can also make water unclear.

Therefore, LIGHT PENETRATION DOES NOT IMPACT WATER CLARITY, rather it is dependent on water clarity.

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