Which of the following causes Harmful algal blooms HABs or red tide in the oceans 1 Discharge of pho...........

Environment and Ecology (Easy) Pollution

Which of the following causes Harmful algal blooms (HABs) or red tide in the oceans?

1. Discharge of phosphorus-containing sewage in oceans

2. Increase in saltinity of water

3. Oil spill in ocean

Select the correct option from the codes given below:

1 & 2 Only

1 & 3 Only

2 & 3 Only

1, 2 & 3

Both discharge of phosphorus and oil spill help boost algal growth. Increase in salt amount in water reduces algae population in oceans.

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