The potential energy for a mass on a spring is proportional to the square of which of these quantities? A.
mass
B.
frequency
C.
period
D.
displacement
Е.
velocity

Can happen anywhere along the spine if the neural tube does not close all the way. the backbone that protects the spinal cord does not form and close as it should. this often results in damage to the spinal cord and nerves. a) cleft palate b) spina bifida c) encephalocele d) down's syndrome