Examine the information presented in the graph. What question was the experiment exploring?

Use this graph to answer the following series of questions: Examine the information presented in the graph. What question was the experiment exploring? 4.0 3.5 3.0 b 2.5 Tissue nitrogen (% DW) 2.0 1.5 1.0 0.5 0.0 VSE JS JSV MG MGV Nutrients Fig. 5. Comparison of tissue nitrogen (N) of Gracilaria tikvahide grown with different fertilizers. Error bars represent standard deviation. Different letters indicate significant difference at the 0.05 level. VSE: von Stosch enrichment media; JS: Jack's Special only (N : P : K, 21 : 8 : 18); . JSV: JS with vitamins; MG: Miracle-Gro only (N : P : K, 24 : 8 : 16); MGV: MG with vitamins. O What is the best place to grow Gracilaria O which fertilizerutrient combo helps the plant grow biggest O which fertilizerutrient combo results in the highest level of tissue nitrogen " which fertilizerutrient combo is the cheapest