Q: 47 (IAS/2011)

There is a concern over the increase in harmful algal booms in the sea waters of India. What could be the causative factors for this phenomenon ?
1. Discharge of nutrients from the estauraries.
2. Run-off from the land rung the monsoon.
3. Upwelling in the seas.
Select the correct answer from the codes given below :
question_subject: 
Ecology
question_year: 
2011
question_exam: 
IAS
question_sub_subject: 
Ecology
question_topic: 
Ecology
stats: 
0,6264,5672,1560,3104,1008,6264