UPPCS · প্রশ্ন 75

With reference to Eutrophication, which of the following statement(s) is/are correct? 1. It decreases dissolved oxygen of water. 2. It is a phenomenon of nutrient enrichment of a water body. Select the correct answer from the codes given below.

1. A1 only
2. B2 only
3. CBoth 1 and 2
4. DNeither 1 nor 2