Question

Which one of the following is NOT an indicator of the degradation of a water body?
a) Increased transparency
b) Decreased species diversity
c) Increased sedimentation
d) Decreased oxygen concentration​

Answer 1

Increased transparency is not an indicator of water degradation.

Option (A) is correct.

Explanation:

• The industrial chemicals are polluting the water bodies through carcinogenic materials that are harmful to aquatic life.
• Water bodies are also being clogged by hyacinth which is blocking the sun rays reaching the depth of water bodies.
• Sewage and garbage materials are also resulting in the growth of unwanted plants.
• All these factors are reducing the dissolved oxygen and killing the fish.

Answer 2

Option "A" is the correct answer to the following question.

Explanation:

Increased transparency of water is evidence of water upgrading and not its downfall.

The mixing of waste materials in water reduces the purity of the water and also reduces the transparency of water, while we know that being transparent of water proves its purity. Other factors such as waste collection in the water, the disintegration of organisms around it are symptoms of water becoming dirty.

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https://brainly.in/question/14485463