The answer should be B may be wrong
Answer:
In order for this gas transfer to take place, an amphibian’s skin is damp and often slimy. Although cutaneous respiration requires less energy than breathing via lungs or gills, it can only take place at a constant rate. Most amphibians have lungs to handle respiration at a greater rate when required.
Explanation:
Wells, tube-wells, rivers, lakes, dams etc. Methods of management of water resources include rainwater harvesting, construction of bawris and khadins and water harvesting structures on the level terrain.
Our resources begin to dwindle as our population rises which causes for more resource requirements
