Question

Question 27:

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

Answer:

a) Increased transparency

Explanation:

When the water is clear and transparent it indicates that the water body is not polluted in any ways.

Rest other options show that the water has been polluted.

Aquatic species are absent due to degradation . Due to pollution the purity of water has decreased reducing the oxygen level . High amount of sediments also indicate degradation

Hope the answer is helpful !