When should a line graph be used? A. When the independent variable is continuous and shows a causal link to the dependent variable. B. When there is no independent variable. C. When the independent variable is composed of categories and does not show a relationship. D. When the independent variable is continuous and does not show a relationship to the dependent variable.

good luck

explanation:

i still can't find this

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

no i don't feel that humans have oversubscribed some medications