There is a concern, over the increases in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon? 1. Discharge of nutrients from the estuaries. 2. Run-off from the land during the monsoon. 3. Upwelling in the seas. Select the correct answer from the codes given below: (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1, 2 and 3

There is a concern, over the increases in harmful algal blooms in the

1.	There is a concern, over the increases in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon? 1. Discharge of nutrients from the estuaries. 2. Run-off from the land during the monsoon. 3. Upwelling in the seas. Select the correct answer from the codes given below: (a) 1 only (b) 1 and 2 (c) 2 and 3 (d) 1, 2 and 3
Answer» (d) There is no single factor which cause an algal bloom. A combination of optimum factors such as the presence of good nutrients, warm temperatures, surface runoff, upwelling in the sea can all contribute harmfull algal blooms.

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