There is a concern over the increase in harmful algal blooms

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There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?

Select the correct answer from the codes given below:

???? ?? ??????? ?????? ??? ???????? ?????? ????? ??? ?????? ?? ????? ??? ?? ???? ?? ??? ?????? ???? ???? ?? ???? ????

???? ??? ?? ??? ?? ??? ????? ?????:

[Ecology and Environment 2011-16 New Without Errors,UPSC IAS Prelims 2011]

A 1 only

1 ही

B 1 and 2 only

केवल 1 और 2

C 2 and 3 only

2 और 3 ही

D 1, 2 and 3

1, 2 और 3

...

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