Questions: What class of water pollution can reduce visibility underwater by clouding up the water, reducing photosynthesis?

What class of water pollution can reduce visibility underwater by clouding up the water, reducing photosynthesis?
Transcript text: What class of water pollution can reduce visibility underwater by clouding up the water, reducing photosynthesis?
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Solution

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The answer is the second one (Sediment): Sediment pollution.

Explanation for each option:

  1. Explosive: This option is incorrect. Explosive pollution refers to the contamination caused by explosive materials, which is not typically associated with reducing visibility underwater or affecting photosynthesis.

  2. Sediment: This option is correct. Sediment pollution occurs when soil, sand, and minerals are washed into water bodies, often as a result of erosion. This can cloud the water, reducing visibility and blocking sunlight, which in turn reduces photosynthesis in aquatic plants.

  3. Irradiated: This option is incorrect. Irradiated pollution involves radioactive substances, which can be harmful to aquatic life but do not specifically cause cloudiness or directly reduce photosynthesis by blocking sunlight.

  4. Thermal: This option is incorrect. Thermal pollution involves changes in water temperature, often due to industrial processes. While it can affect aquatic ecosystems, it does not directly cause cloudiness or reduce visibility underwater.

In summary, sediment pollution is the class of water pollution that clouds the water, reducing visibility and photosynthesis.

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