Answer: C. he believes returning to get back will inspire others to make changes and do the same
Explanation:
It will be Control. Part of the experiment used to show that the results of an experiment is really due to the conditions being tested.
Answer:acid and base indicators are used to estimate the pH of a solution
Explanation:
The aunt with the medullary thyroid cancer has enrolled in a study which is testing the effects of a new drug treatment for the cancer. Such study is known as emergent research. In this type of research, the data is collected over new analysis procedures. Then, based on these data, the course of the study can be improved.
Hence, the answer is 'emergent research'.