a Table 1: Measurement of Total Phosphorus and Chlorophyll a in a lake. Total P (ug/L) 10 15 20 30 40 50 60 65 80 ano Chlorophyll a (ug/L) 2 3 4 5.75 8 11.5 13 17.5 20 (i) Plot the data from Table 1 above on using Excel. (6 marks) (ii) Summarise the trend observed in the data and describe the relationship between phosphorus and chlorophyll a. (4 marks)