Nitrogenous fertilisers may lead to eutrophication in rivers. The stages of eutrophication are given below. 1 The fertiliser is washed into the river. 2 Oxygen levels become depleted in the river. 3 Plants die. 4 Plants begin to decay. 5 Plants in the river grow at an increased rate. What is the correct sequence of these five stages in eutrophication?
- A1 2 4 3 5
- B1 2 5 4 3
- C1 5 2 3 4
- D1 5 3 4 2