I think its the neuron because a diploid cell is doubled normally in the bones
The spread of cancer from its point of origin is called metastasic cancer.
Metastasic cancer can also be identified as metastasized cancer as well. Most of the types of metastasic cancer cannot be cured with treatment, unlike others which can.
Pretty sure (d) bc they are young and not developed!
Better peer relationships, because he is doing activities with more people.