The correct options are
A Leaking taps
B Garbage disposal in lakes
∙ The issue of water shortage can arise in two situations:
1) Less availability of water due to less rainfall or overutilisation of water bodies.
2) The existing water resources are polluted and unfit for usage.
∙ Some of the activities performed by humans like dumping of wastes in water bodies, careless attitude towards running tapwater, ignoring waterpipe leakages, etc. can lead to scarcity of water in a long run.