Answer: B) Turbidity currents
Explanation: Turbidity currents are large scale water movements which picks and carries different particles in the form of sand,rocks,minerals and other materials which are poorly sorted as it flows to the point of depositon.Turbidity currents contain particles of different sizes, types and shapes as it flow,as it picks larger particles it's speed continue to Turbidity currents are caused my geological movements, earthquakes and cracked slopes. Other options don't carry as much variety of materials as Turbidity currents.
Answer:
It is Swoyambhunath which lies in Kathmandu, Nepal
It has caused more pollution
