"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the above statement ?
a
The water cycle in wetlands involves surface runoff, subsoil percolation and evaporation.
b
Algae form the nutrient base upon which fish, crustaceans, molluscs, birds, reptiles and mammals thrive.
c
Wetlands play a vital role in maintaining sedimentation balance and soil stabilization.
d
Aquatic plants absorb heavy metals and excess nutrients.
WetlandsFunctions of WetlandsWetlandskidneys of Earthwater purificationheavy metalsexcess nutrientsaquatic plantsabsorption