Why is looking in the mirror a representation of the law of reflection?
A. because all light rays are diffused
B. because all the light rays are reflected at the same angle
C. because none of the light rays are reflected at the same
angles
D. because light rays are reflected at different angles

italy's population growth rate is almost at zero, the national statistics agency, istat, said on monday, mainly due to a dwindling birth rate.

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.