Which of the following statements about coral reef preservation efforts is true? a. in order to preserve coral reefs, all aquarium trade in coral reef organisms must end. b. legislation has had no impact on coral reef preservation efforts. c. various preservation methods have had some positive impact on coral reef preservation. d. education of fishermen has eliminated all coral reef loss.

Which of the following would be the best hypothesis for this experiment? a) use of the ginko biloba extract improves clinical outcomes when administered to patients with t2d. b) ginko biloba improves clinical outcomes of diabetes patients when combined with metformin. c) diabetes in patients is worsened when ginko biloba is taken in conjunction with metformin. d)the use of ginko biloba to treat t2d in combination with metformin lowers the cost of t2d treatment. ginko biloba shows benefits against t2d when combined with plant extracts as compared to other treatments.