Based on the information of the graph , which regions population will change the least in the next 40 years?

A -Oceania

B -africa

C-United states

D-Europe

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