What is the purpose of chloroplasts in a cell?

What are two examples of conduction that we use everyday

What does the number 18.9984 represent in the image?

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