Challenge: test tubes 11-15 all contain mixtures of three substances. Run the five texts on these powers, and identify the THREE substances in each tube. (Note: Sometimes there will be more than one possible answer.)

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. answer is gas

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.