How do the large, flat teeth of a cow it survive? question options: 1. it can fight off predators 2. it can eat every kind of food 3.flat teeth rarely decay 4. it can grind grasses better

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.