Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?

A. Construction of dams and barrages

B. Increase in crocodile population

C. Accidental entanglement in fishing nets

D. Use of synthetic fertilizers near rivers; Answer: 1, 3 and 4

Explanation: Dams, accidental net entanglement, and agricultural chemicals are major threats to Ganges River Dolphins.

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