Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Which step is not included in the step approach to calculating the greatest common divisor?

What does spontaneous generation mean?

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