Question

As an ecosystem, wetlands are useful for which of the following? 

(a) For nutrient recovery and cycling 

(b) For releasing heavy metals through absorption by plants. 

 (c) They maintain the rivers and control floods. 

(d) All the above

Answer 1

Correct option: (d) All the above

Explanation:

As an ecosystem, wetlands are useful for nutrient recovery and cycling, releasing heavy metals through absorption by plants. They also control floods and maintain floods.