Answer:
Rays having same endpoint E but not in the opposite directions are ED and EC. This pair of rays meet at point E having different directions.
One of the 4 layers that surrounds the earth.
The parts wich are derived from these three areas include:the cerebellum,the brain stem of the brain stem consists of the parts:the midbrain,bridge brain,the medulla oblongata.other parts of the brain including the thalamus,hypothalamus and limbic device.
